Help me in solving SYN3V2 problem

help
,
1

My issue

My code

#include <bits/stdc++.h>
using namespace std;

int main() {

  cout <<  21 + 10 ; //Replace the _ with the correct value

  return 0;
}

Learning course: Learn C++
Problem Link: CodeChef: Practical coding for everyone

2

@adiffco04
u have to print sum of 21 and 40