#!/usr/env/bin python

import math

n = int(input())

ceil = math.ceil(n ** 0.5)

xor = 0
for x in range(2, ceil + 1):
	count = 0
	while n % x == 0:
		n /= x
		count += 1
	if count != 0:
		xor ^= count

if n > 1:
	xor ^= 1

if xor:
	print("Alice")
else:
	print("Bob")