#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;

int main()
{
	double n;

	while(1)
	{
		cin >> n;
		if(cin.eof())
		{
			return 0;
		}
		cout << n*n << " ";
		cout << fixed << setprecision(6) << sqrt(n);
		cout << setprecision(0) << endl;
	}
	return 0;
}