import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double r,v,s;
        double pi=3.14159;
        r=sc.nextDouble();
        v=4.0/3.0*pi*r*r*r;
        s=4*pi*r*r;
        System.out.printf("%.6f\n%.6f",v,s);
    }
}