using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Input radius : ");

        double radius = double.Parse(Console.ReadLine());

        Console.WriteLine("--------------------------------");

        double area = Math.PI * (radius*radius);

        Console.WriteLine("Circle area   = {0:F3}",area);

        double circumference = 2 * Math.PI * radius;

        Console.WriteLine("Circumference = {0:F3}",circumference);

        double volume = (4.0/3) * Math.PI * (radius*radius*radius);

        Console.WriteLine("Volume round  = {0:F3}",volume);

    }

}