#include <iostream>
using namespace std;

int main()
{
  int i;
  int *i_ptr;

  i = 5;         // Set the value of i
  i_ptr = &i;    // Set i_ptr to be the address of i

  cout << "i      is: " << i << endl;
  cout << "&i     is: " << &i << endl;
  cout << "i_ptr  is: " << i_ptr << endl;
  cout << "*i_ptr is: " << *i_ptr << endl;
  
  *i_ptr = 25;

  cout << endl;
  cout << "i      is: " << i << endl;
  cout << "*i_ptr is: " << *i_ptr << endl;

  return 0;
}