/in/foo.cc:10:15: error: stray '\357' in program
    if(a%400==0）
               ^
/in/foo.cc:10:16: error: stray '\274' in program
    if(a%400==0）
                ^
/in/foo.cc:10:17: error: stray '\211' in program
    if(a%400==0）
                 ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:11:7: error: expected ')' before 'c'
       c=1;
       ^
/in/foo.cc:23:33: error: lvalue required as left operand of assignment
           if(b==4||b==6||b=9||b=11)
                                 ^~