#!/usr/bin/python3
from math import *

b=float(input("Please input b: "))

p=floor(log2(b))
m=b/pow(2,p)

print("b=",m,"x2^",p,"\n")

x=0.7

for i in range (0,11):
    print(i,x)
    x=x*(2-m*x)
    
x=x*pow(2,-p)

print("\nFinal answer:",x)
print("b*x=",b*x)