View Code of Problem 72

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int m = scanner.nextInt();
		int n = scanner.nextInt();
		double h = m;
		double sum = 0;
		for(int i=0; i<n; i++) {
			sum += h;
			h = h/2;
			sum += h;
		}
		System.out.println(String.format("%.2f", h)+" " + String.format("%.2f", sum-h));
		
	}
}