#include <iostream>
using namespace std;
 // using addrress of operator &
int p1; // declare an integer variable
int *p2; // declaring pointer to integer p1
// pointer *p2  will return value of p1
int *p3; 
int main(void)
{
	 // initialzing or assiging value to avaiable
	p1 = 200;
	p2 = &p1;// gets the address of p1
	cout << "\nwhat is p1 " << p1; 
	cout << "\nwhat is &p1 " << &p1; 
	cout << "\nwhat is p2 " << p2; 
	cout << "\nwhat is *p2 " << *p2; 
	cout<< "\n saving in an another location"; 
	cout << "\nwhat is &p2 " << &p2; 
	cout << "\nwhat is *p2 " << *p2;
	cout<< "\n ---pointet to pointer----"; 
	p3 = p2 ;
	cout << "\nwhat is p3 " << p3; 
	cout << "\nwhat is *p3 " << *p3;
	cout << "\nwhat is &p3 " << &p3; 
		
	
}