ZZULIOJ 1009: 求平均分，Java

1009: 求平均分

import java.util.*;
public class Main {
    public static void main(String[] args) {
    Scanner cin = new Scanner(System.in);double a=cin.nextDouble();double b=cin.nextDouble();double c=cin.nextDouble();System.out.println(String.format("%.2f",(a+b+c)/3));}
}