// Pointers example (from class)
// Michael Rothstein
// 7/14/2014

#include <iostream>

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

int main(){
  int *ip1, *ip2, one=1, two = 2;
  ip1=&one;
  ip2=ip1;
  *ip1 = *ip1 + 1;
  ip1=&two;
  *ip1 -= 1;
  cout << *ip2 << " " << *ip1 << endl;
  cout << one << " " << two << endl;
  cout << ip1 << " " << ip2 << endl;
}