View Compilation Error

0_0_37474721_5047.cpp:2:1: error: stray '\243' in program
 int main(）
 ^
0_0_37474721_5047.cpp:2:1: error: stray '\251' in program
0_0_37474721_5047.cpp:4:4: error: expected primary-expression before 'int'
    int a,b;
    ^
0_0_37474721_5047.cpp:4:4: error: expected '}' before 'int'
0_0_37474721_5047.cpp:4:4: error: expected ')' before 'int'
0_0_37474721_5047.cpp:4:10: error: 'b' was not declared in this scope
    int a,b;
          ^
0_0_37474721_5047.cpp:5:4: error: expected unqualified-id before 'while'
    while(scanf("%d%d",&a,&b)!=EOF)
    ^
0_0_37474721_5047.cpp:7:4: error: expected unqualified-id before 'return'
    return 0;
    ^
0_0_37474721_5047.cpp:8:1: error: expected declaration before '}' token
 }
 ^