using System;
using System.Collections;
class Program
{
    static void Main(string[] args)
    {
        string str = "";
        str = Console.ReadLine();
        string x = "";
        bool f = false;
        while (true)
        {
            if (str[0] == ' ')
            {
                str = str.Remove(0, 1);
            }
            else
            {
                break;
            }
        }
        ArrayList array = new ArrayList();
        while (true)
        {
            if (str != "" && !str[0].Equals(' '))
            {
                x += str[0];
                f = true;
            }
            else if (f.Equals(true))
            {
                array.Add(x);
                x = "";
                f = false;
            }
            if (str != "")
                str = str.Remove(0, 1);
            else
                break;
        }
        for (int j = array.Count - 1; j >= 0; j--)
        {
            Console.WriteLine("{0:f4}", Math.Sqrt(double.Parse(array[j].ToString())));
        }
    }
}