#include<cstdio>
#include<iostream>
using namespace std;
int main(){
	double h,sum=0.0;
	int i=1;
	scanf("%lf",&h);
	do{
		sum=h+sum;
		h=h/2;
		if(i!=10) sum=sum+h;
		i++;
	}while(i<=10);
	printf("%.7lf\n%.7lf",h,sum);
/**************************************************************
	Problem: 1062
	User: zouliangyin
	Language: C++
	Result: Compile Error
****************************************************************/