#include <iostream>
using namespace std;

int main()
{
	int resp=1;

	int x = 5;
	int* y = &x;

	int sqr = x * (*y);

	cout << "Square of 5 is = " << sqr << endl;

	while (resp !=0)
	{
		cout << "Do you want to find the square of another number? (1 - yes ; 0 - no)" << endl;
		cin >> resp;

		if (resp !=0 && resp !=1)
		{
			cout << "Unknown response! " << endl;
			break;
		}
		else if (resp == 0)
		{
			cout << "Okay then." << endl;
			break;
		}
		else if (resp == 1)
		{
			cout << "What is your number? " << endl;
			cin >> *y;
			cout << "Square of " << x << " is = " << *y * (*y) << endl;
		}
	}

}