Help me in solving USR2V2 problem

help
,
1

My issue

My code

#include <iostream>
using namespace std;

int main() {

  int a, b;
  int sum;
  int diff;
  cin >> a;
  cin >> b;
  sum = a + b;
  diff = a - b;
  cout<< "Sum is : "<<sum <<endl;
  
  cout<< "Difference is: "<< diff;





  return 0;
}

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