Java 代码

/**4 MDKJ
When decentralized blockchain protocols start displacing the centralized web services that 
dominate the current Internet, we'll start to see real internet-based sovereignty. 
The future Internet will be decentralized.
    -- Olaf Carlson-Wee
*/

import java.util.Scanner;

public class Main
{
    final static double PI = 3.14159;

    public static void main (String[] args)
    {
        Scanner cin = new Scanner(System.in);

        int r = cin.nextInt();

        System.out.println("VOLUME = " + String.format("%.3f", 4 * PI * r * r * r /3.0));
    }
}