#!/usr/bin/env python

import random

def eval_cf(l, n):
    t = l[:n]
    t.reverse()
    return reduce(lambda a, b: 1.0 / a + b, t)

def eval_rn_par(l, n):
    if n != 1:
        return 1.0 / (1.0 / l[0] + 1.0 / eval_rn_ser(l[1:], n - 1))
    else:
        return l[0]

def eval_rn_ser(l, n):
    if n != 1:
        return l[0] + eval_rn_par(l[1:], n-1)
    else:
        return l[0]

def eval_rn(l, n):
    return eval_rn_ser(l, n)
    

n = int(raw_input("Number of terms? "))

n = 12
if n >= 1:
    a = [2]
if n >= 2:
    a.append(1)
if n >= 3:
    for i in range(n-2):
        if (i % 3) == 0:
            a.append(2*i/3 + 2)
        else:
            a.append(1)

        
#a = [2,1,2,1,1,4,1,1,8,1,1,10,1,1]
b = [a[i]**-(2*(i%2)-1) for i in range(len(a))]

x = eval_cf(a, len(a))
y = eval_rn(b, len(b))
#print a
#print b
print 'continued fraction: ', x
print 'resistor network: ', y