#include <iostream>
using namespace std;

int sum (int x, int y){

	int z;
	z = x + y;
	return (z);

	}

int main()
{
	int a, b, result;
	cout << "enter two numbers: " << endl;
	cin >> a;
	cin.ignore();
	cin >> b;
	cin.ignore();

	result = sum(a,b);

	cout << "the result of " << a << " + " << b << " is " << result;

	cin.ignore();

}