自己写的。

import java.util.Scanner;


public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNextInt()) {
            double a = in.nextInt();
            double sum = a;
            for (int i = 1; i < 5; i++) {
                a = a / 2;
                sum += 2 * a;
            }
            a = a / 2;
            System.out.println(String.format("%.6f", sum));
            System.out.println(String.format("%.6f", a));
        }
    }
}