Grundy = [0] * 15
for i in range(1, 15):
    S = {Grundy[i - 1]}
    if i > 1: S.add(Grundy[i - 2])
    for j in range(3):
        if j not in S:
            Grundy[i] = j
            break

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

Num = [i for i in range(101)]
Prime = []
for i in range(2, 101):
    if i != Num[i]: continue
    Prime.append(i)
    for j in range(i + i, 101, i):
        Num[j] = 0

Xor = 0
for m in M:
    for P in Prime:
        Q = 0
        while m % P == 0:
            m //= P
            Q += 1
        Xor ^= Grundy[Q]
    if m != 1: Xor ^= Grundy[1]
print('Alice' if Xor else 'Bob')