#!/usr/bin/env python3
# -*- coding: utf-8 -*-

def solve(M):
    x = 0
    for m in M:
        if m == 1:
            x ^= 1

        for i in num:
            if m < i * i:
                break

            cnt = 0
            while m % i == 0:
                m = m // i
                cnt += 1
            x ^= cnt % 3

        if m > 1:
            x ^= 1

    if x == 0:
        return False
    else:
        return True

N = 100
table = [True] * (N + 1)
num = []

for i in range(2, N + 1):
    if not table[i]:
        continue
    k = i + i
    while k < N + 1:
        table[k] = False
        k += i

    num.append(i)

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

if solve(M):
    print("Alice")
else:
    print("Bob")