#include <iostream>
using namespace std;

class Car {}; 

Car car1;
Car car2;
Car *car3 = &car1;

bool equal1 = &car1 == &car2;
//equal1 is 0

bool equal2 = &car1 == car3;
//equal1 is 1

cout << "equal1 is " << equal1 << endl;
cout << "equal2 is " << equal2;