/in/foo.cc: In function 'int main()':
/in/foo.cc:17:13: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if(x%4==0 and x%100!=0 or x%400==0)
      ~~~~~~~^~~~~~~~~~~~
/in/foo.cc:25:5: error: expected '}' at end of input
     }
     ^