Run id: 128754

Main.cc: In function 'int main()':
Main.cc:6:14: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if(a%4==0&&a%100!=0||a%400=0){
              ^
Main.cc:6:31: error: lvalue required as left operand of assignment
     if(a%4==0&&a%100!=0||a%400=0){
                               ^