杭电ACM--2002计算求得体积

import java.text.DecimalFormat;
import java.util.Scanner;
public class Main{
public static final double PI = 3.1415927;
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
double radius = 0;
double volume = 0.000;
DecimalFormat myformat = new  DecimalFormat("#####0.000");
while(scan.hasNext()){
radius=scan.nextDouble();
volume = 4*PI*radius*radius*radius/3;
System.out.println(myformat.format(volume));
}
}
}