#include <iostream>

using namespace std;

int main() {

	int i;  // just a variable - stores a value
	int *p; // int pointer variable - stores a memory address
	        // The * is called a reference

	p = &i; // no * is needed


	i = 25;

	cout << "Var i = " << i << endl;
	cout << "Address of i = " << &i << endl;

	cout << "Var p = " << p << endl;
	cout << "Follow p and get " << *p << endl;
	// The * is a dereference in this case

	i=100;
	cout << "P has changed to " << *p << endl;

    int *T;
    T = &i;
    cout << "T is " << *T << endl;

	return 0;
}