Main.cc: In function 'int main()':
Main.cc:7:27: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
if((a%4==0&&a%100!=0)||(a&400==0))
^
Main.cc:9:3: error: 'couta' was not declared in this scope
couta<<" "<<"yes";
^