using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
using System.Text.RegularExpressions;
using System.Linq;

public class Program
{
    static int N = int.Parse(Console.ReadLine());
    static int[] M = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
    static public void Main(string[] args)
    {
        Console.WriteLine(Grundy(M) == 0 ? "Bob" : "Alice");
    }

    static int Grundy(int n)
    {
        var map = new Dictionary<int, int>();
        for (int i = 2; n != 1; i++)
        {
            if (n % i == 0)
            {
                map[i] = 0;
                while (n % i == 0)
                {
                    map[i]++;
                    n /= i;
                }
            }
        }

        int result = 0;
        foreach (var p in map)
        {
            result ^= p.Value % 3;
        }
        return result;
    }

    static int Grundy(int[] m)
    {
        int ans = 0;
        foreach (int i in m)
        {
            ans ^= Grundy(i);
        }
        return ans;
    }
}