N=int(input())
M=list(map(int,input().split()))

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 a

g=0
for i in M:
    g^=len(prime_factorize(i))
if g:
    print("Alice")
else:
    print("Bob")