#include <iostream>  // cout, endl
#include <cstdlib>   // EXIT_SUCCESS

using std::cout;
using std::endl;

int main(int argc, char** argv) {
  int x = 5, y = 10;
  int* z = &x;

  *z += 1;  // sets *z (and therefore x) to 6
  x += 1;   // sets x (and therefore *z) to 7

  z = &y;   // sets z to the address of y
  *z += 1;  // sets *z (and therefore y) to 11

  cout << "x: " << x << "; y: " << y << "; z: " << z << endl;
  return EXIT_SUCCESS;
}