src.c:5:1: error: stray '\357' in program
a=(input（）)b=(input())s=a*b/2b=(input())s=a*b/2
^
src.c:5:1: error: stray '\274' in program
src.c:5:1: error: stray '\210' in program
src.c:5:1: error: stray '\357' in program
src.c:5:1: error: stray '\274' in program
src.c:5:1: error: stray '\211' in program
src.c:5:4: error: 'input' undeclared here (not in a function)
a=(input（）)b=(input())s=a*b/2b=(input())s=a*b/2
^
src.c:5:16: error: expected ',' or ';' before 'b'
a=(input（）)b=(input())s=a*b/2b=(input())s=a*b/2
^
src.c:5:33: error: invalid suffix "b" on integer constant
a=(input（）)b=(input())s=a*b/2b=(input())s=a*b/2
^