def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5 // 1)) + 1):
        if temp % i == 0:
            cnt = 0
            while temp % i == 0:
                cnt += 1
                temp //= i
            arr.append([i, cnt])
 
    if temp != 1:
        arr.append([temp, 1])

    return arr


N = int(input())
M = list(map(int, input().split()))
ans = 0
for m in M:
    for _, cnt in factorization(m):
        ans ^= cnt%3

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