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

dat = [0] * 10 ** 4
prime = []
i = 2
while i < 10 ** 4:
    if dat[i] == 0:
        prime.append(i)
        for j in range(i * 2,10 ** 4,i):
            dat[j] = 1
    i += 1
ans = 0
for m in M:
    for p in prime:
        count = 0
        while m % p == 0:
            count += 1
            m = m // p
        ans ^= (count % 3)
        if m == 1:
            break
if ans == 0:
    print('Bob')
else:
    print('Alice')