#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
using namespace std;
int main() {
	vector<double>arr;
	double x;
	while (cin >> x)
		arr.push_back(pow(x, 0.5));
	reverse(arr.begin(), arr.end());
	for (int i = 0; i < arr.size(); i++)
		cout << arr[i] << endl;
}