N = int(input())

grundy = 0
p = 2
while p * p <= N:
	cnt = 0
	while N % p == 0:
		N //= p
		cnt += 1
	grundy ^= cnt
	p += 1

if N >= 2:
	grundy ^= 1

if grundy != 0:
	print("Alice")
else:
	print("Bob")