n = int(input())
ans = 0
now = n
for i in range(2,n):
    if i > now:
        break
    c = 0
    while now%i == 0:
        c += 1
        now //= i
    ans ^= c
if now != 1:
    ans ^= 1
if ans:
    print("Alice")
else:
    print("Bob")