/in/foo.cc:30:9: error: stray '\357' in program
 return 0； 
         ^
/in/foo.cc:30:10: error: stray '\274' in program
 return 0； 
          ^
/in/foo.cc:30:11: error: stray '\233' in program
 return 0； 
           ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:13:13: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   if(ye=2019)
             ^
/in/foo.cc:17:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
     if(mo=4)
            ^
/in/foo.cc:31:1: error: expected ';' before '}' token
 }
 ^