/in/foo.cc: In function 'int main()':
/in/foo.cc:9:13: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if(i%4==0 && i%100!=0||i%400==0)
      ~~~~~~~^~~~~~~~~~~
/in/foo.cc: At global scope:
/in/foo.cc:14:2: error: 'i' does not name a type
 }i
  ^