Problem: Write a program which calculates the area and circumference of a circle for given radius r.

Constraints

* 0 < r < 10000

Input

A real number r is given.

Output

Print the area and circumference of the circle in a line. Put a single space between them. The output should not contain an absolute error greater than 10-5.

Examples

Input

2


Output

12.566371 12.566371


Input

3


Output

28.274334 18.849556

Solution (in JAVA):

Solution:
import java.util.Scanner;

public class Main{
  public static void main (String[] args){
  double r,S,R;
    Scanner scan =new Scanner(System.in);
    r=scan.nextDouble();
    S=Math.PI*r*r;
    R=Math.PI*r*2;
    System.out.println(String.format("%f %f", S,R));

  }
}