Suma 2 broja pokazivaci

#include <iostream>
using namespace std;

void saberi(int * a , int * b , int * r)
{
    *r = *a + *b;
}

int main()
{
    int a,b,r;
    cout << "Unesi a i b: \n";
    cin >> a >> b;

    saberi(&a, &b, &r);
    cout << "SUMA = " << r;

    system("pause >nul");
    return 0;
}