// Program Driver is a program to test function Swap

#include <iostream>
using namespace std;

void  Swap(int, int);

int main ()
{
    int  x;
    int  y;
    cout  << "Enter two integer values; press return."  << endl;
    cin  >> x  >> y;

    cout  << "Input values: "  << x  << " and "  << y  << endl;
    Swap(x, y);
    cout  << "Values swapped: "  << y  << " and "  << x  << endl;
    return 0;
}

// ***************************************

void  Swap(int a, int b)
{
    int x;

    x = a;
    a = b;
    b = x;
}