#include <stdio.h>
long addTwoNumbers(long *, long *);

int main()
{
   long num1, num2, sum;
   printf(" Input the first number : ");
   scanf("%ld", &num1);
   printf(" Input the second  number : ");
   scanf("%ld", &num2);
   sum = addTwoNumbers(&num1, &num2);
   printf(" The sum of %ld and %ld  is %ld\n\n", num1, num2, sum);
   return 0;
}
long addTwoNumbers(long *n1, long *n2)
{
   long sum;
   sum = *n1 + *n2;
   return sum;
}

#include<iostream>
using namespace std;

void sum(int num1, int num2, int *s) {
    *s = num1 + num2;
}

int main() {

    int num1, num2, s;

    cout << "Enter first number: ";
    cin >> num1;
    cout << "Enter second number: ";
    cin >> num2;

    sum(num1, num2, &s);
    cout << "Sum is: " << s;

    return 0;
}