#include <iostream>
using namespace std;

void testParaPassing (int &a, int *b, int c) {
  a  = *b + c;
  *b = a + c;
  c  = a + *b;
}

int main () {
  int x = 5, y = 5, z = 5;

  testParaPassing (x, &y, z);
  cout << "x = " << x << ", y = " << y << ", z = " << z << endl;

  return 0;
}