import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); double r=sc.nextDouble(); System.out.printf("%.2f",4*3.14*r*r*r/3); } }
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); double r=sc.nextDouble(); System.out.printf("%.2f",4*3.14*r*r*r/3); } }