import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.Scanner;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		double s1, s2, n, x;
		Scanner in = new Scanner(System.in);
		n = Double.parseDouble(in.nextLine());
	    x = n * (5 - Math.sqrt(3) - Math.sqrt(6 * Math.sqrt(3) - 4))/(8 * (2 - Math.sqrt(3)));
	    s1 = 4 * x; //Длина пути по дороге
	    s2 = Math.sqrt(2 * (n * n - 4 * x * n + 8 * x * x));//Длина пути напрямую
	    System.out.println(s1 + " " + s2);
	}
}

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