Traceback (most recent call last): File "src.py", line 8, in <module> print(ff(a,n)) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 5, in ff return a*ff(a,n-1) File "src.py", line 2, in ff if(n==1): RecursionError: maximum recursion depth exceeded