#include <iostream>
using namespace std;
int main()
{
int x=5;
int *ptr=&x;
cout<<&x<<endl; //prints the address of the variable (x)
cout<<ptr<<endl; //prints the address of the variable (x)
cout<<*ptr<<endl; //prints the value of x(5)
cout<<&ptr<<endl; //prints the address of the pointer (ptr)
}