Run id: 132620

Main.cc: In function 'int main()':
Main.cc:5:10: error: 'a' was not declared in this scope
     cin>>a;
          ^
Main.cc:8:12: error: 'b' was not declared in this scope
         if(b%4==0){
            ^
Main.cc:12:9: error: expected ';' before '}' token
         }
         ^