// Computing square with repeating
#include<iostream>
using namespace std;
int main()
{
    int ok;
    do
    {
        double valnum;
        cout << "Input number: ";
        cin >> valnum;
		cout << "Number " << valnum << " squared is " << valnum*valnum << endl;
        cout << " Continue (1) or close (0)?" << endl;
        cin >> ok;
    } while (ok == 1);
}