#include <iostream>
using namespace std ;
int main()
{
 int x1 = 100 ;
 int x2 = 200 ;
 //Create two pointers "ptr1" and "ptr2"
 //that point to an integer.

 //Assign the address of x1 to ptr1
 // Assign the value of ptr1 ( the address not what it points to to ptr2 )
 //Print the contents of x1 x2 and  what ptr1 ptr2 point to

  cout << "x1: " << x1 << " x2: " << x2 << "  *ptr1:" << *ptr1 << " *ptr2:" << *ptr2 << endl ;
  //Assign the address of x2 to ptr1
  //Increment the values pointed to by ptr1 and ptr2
  //by using the addresses at ptr1 and ptr2
  //Print the contents of x1 x2 and  what ptr1 ptr2 point to
  cout << "x1: " << x1 << " x2: " << x2 << "  *ptr1:" << *ptr1 << " *ptr2:" << *ptr2 << endl ;

 }