from collections import Counter


def prime_factorize(n):
    a = []
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return Counter(a)

n = int(input())

m = list(map(int, input().split()))

g1 = 0

for i in m:
    c = prime_factorize(i)
    g2 = 0
    for j in c.values():
        g2 ^= j % 3
    g1 ^= g2

print("Alice" if g1 else "Bob")