View Code of Problem 72

#include<iostream>
#include <stdio.h>
#include <string.h>
using namespace std;


int main() {
	double m;
	int n;
	scanf("%lf %d", &m, &n);
	double sum = m;
	for (int i = 0; i < n; i++) {
		sum = sum + m;
		m = m / 2;		
	}
	sum = sum - 2*m;
	printf("%.2lf %.2lf", m, sum);
	return 0;
}