#!/usr/bin/python

n = 500000
x = 0.2

def t(x):
	mu = 10.0
	pu = 0.0
	pol = [0] * 100
	r = range(0,100)

	for i in range(0,n):
		for j in r:
			pol[j] = mu = (mu + 2.0) / 2.0
		su = 0.0
		for j in r:
			su = x * su + pol[j]
		pu = pu + su
	return pu

for i in range(2):
	print(t(x))