Traceback (most recent call last): File "src.py", line 11, in <module> print(f(n)) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 9, in f return f(n-1) f(n-2) File "src.py", line 4, in f if(n==1): RecursionError: maximum recursion depth exceeded