/in/foo.cc: In function 'int main()':
/in/foo.cc:29:19: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
          if(a%4==0&&a%100!=0||a%400==0)
             ~~~~~~^~~~~~~~~~
/in/foo.cc:34:1: error: expected '}' at end of input
 }
 ^