/in/foo.cc:5:11: error: stray '\357' in program
  cin>>a>>b；
           ^
/in/foo.cc:5:12: error: stray '\274' in program
  cin>>a>>b；
            ^
/in/foo.cc:5:13: error: stray '\233' in program
  cin>>a>>b；
             ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:2: error: expected ';' before 'if'
  if((a-b)%2!=0 || (b-a)%2!=0)
  ^~
/in/foo.cc:8:2: error: 'else' without a previous 'if'
  else
  ^~~~