Help me in solving VAD9 problem

My issue

My code

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

int main() {
  int a =  50;
  int b = 40 ;
  int sum = a + b;
  int product = a * b ;
  int quotient = a / b;
  cout << sum << endl;
  cout <<product<< endl;
  cout << quotient;
  
  return 0;
}

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

@saurabh_1412
a is -50