n = int(input())
xor = 0
for i in range(2, int(n ** 0.5 + 0.5) + 1):
    if n % i == 0:
        cnt = 0
        while n % i == 0:
            cnt += 1
            n //= i
        xor ^= cnt
if n != 1:
    xor ^= 1

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