import java.util.*;
import java.math.*;
 
class Main
{
	public static void main (String[] args)
	{
		Scanner in = new Scanner(System.in);
		double f = (Math.sqrt(5)+1)/2;
		double d = in.nextDouble();
		double b = d / Math.sqrt(1 + f * f);
		double a = b * f;
		System.out.print(a + " " + b);
	}
}