/in/foo.cc:7:10: error: stray '\357' in program
 cout<<a*b－a－b;
          ^
/in/foo.cc:7:11: error: stray '\274' in program
 cout<<a*b－a－b;
           ^
/in/foo.cc:7:12: error: stray '\215' in program
 cout<<a*b－a－b;
            ^
/in/foo.cc:7:14: error: stray '\357' in program
 cout<<a*b－a－b;
              ^
/in/foo.cc:7:15: error: stray '\274' in program
 cout<<a*b－a－b;
               ^
/in/foo.cc:7:16: error: stray '\215' in program
 cout<<a*b－a－b;
                ^
/in/foo.cc:8:1: error: stray '\357' in program
 ｝
 ^
/in/foo.cc:8:2: error: stray '\275' in program
 ｝
  ^
/in/foo.cc:8:3: error: stray '\235' in program
 ｝
   ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:7:13: error: expected ';' before 'a'
 cout<<a*b－a－b;
             ^
/in/foo.cc:7:18: error: expected '}' at end of input
 cout<<a*b－a－b;
                  ^