import java.util.Scanner;

public class barinlyThree {

public static void main(String[] args) {

 Scanner in = new Scanner(System.in);

 double pi = 3.14;

 double raio;

 double volume;

 System.out.println("Digite o raio");

 raio = in.nextDouble();

 volume = (4/3 * pi * Math.pow(raio,3));

 System.out.println("Volume = " + volume);

 in.close();

}

}