// Program to illustrate parameter passing
//
// What is actually displayed on the screen?

#include <iostream>
using namespace std;

void Mayflower (int a, int& b)
{
   int z;

   z = a - b;
   a--;
   b++;
}

int Pilgrim (int&y, int z)
{
   int x;

   y++;
   x = y + z;
   return x;
}

int main()
{
   int	x = 1,
	y = 2,
	z = 3;

   Mayflower (x,y);
   cout << x << " " << y << " " << z << "\n";
   y = Pilgrim (z,x);
   cout << x << " " << y << " " << z << "\n";
   return 0;
}