using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Collections.Generic;
using System.Diagnostics;
using System.Numerics;
using Enu = System.Linq.Enumerable;

class Program
{
    public void Solve()
    {
        int N = Reader.Int();
        var A = Reader.IntArray(N);
        int xor = 0;

        foreach (int a in A)
            xor ^= Grundy(Factorization(a).Values.Select(v => v).ToArray());

        Console.WriteLine(xor == 0 ? "Bob" : "Alice");
    }

    private int Grundy(int[] count)
    {
        if (Array.FindIndex(count, c => c > 0) < 0) return 0;
        var set = new HashSet<int>();
        for (int i = 0; i < count.Length; i++)
        {
            int num = count[i];
            for (int x = 1; x <= Math.Min(2, num); x++)
            {
                --count[i];
                set.Add(Grundy(count));
            }
            count[i] = num;
        }
        for (int g = 0; ; g++)
            if (!set.Contains(g)) return g;
    }

    static Dictionary<int, int> Factorization(int n)
    {
        var dic = new Dictionary<int, int>();
        for (int i = 2; i * i <= n; i++)
            while (n % i == 0)
            {
                n /= i;
                if (!dic.ContainsKey(i)) dic[i] = 1;
                else dic[i]++;
            }
        if (n > 1) dic[n] = 1;
        return dic;
    }
}


class Entry { static void Main() { new Program().Solve(); } }
class Reader
{
    private static TextReader reader = Console.In;
    private static readonly char[] separator = { ' ' };
    private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries;
    private static string[] A = new string[0];
    private static int i;
    private static void Init() { A = new string[0]; }
    public static void Set(TextReader r) { reader = r; Init(); }
    public static void Set(string file) { reader = new StreamReader(file); Init(); }
    public static bool HasNext() { return CheckNext(); }
    public static string String() { return Next(); }
    public static int Int() { return int.Parse(Next()); }
    public static long Long() { return long.Parse(Next()); }
    public static double Double() { return double.Parse(Next()); }
    public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); }
    public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); }
    public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); }
    public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); }
    public static string Line() { return reader.ReadLine().Trim(); }
    private static string[] Split(string s) { return s.Split(separator, op); }
    private static string Next() { CheckNext(); return A[i++]; }
    private static bool CheckNext()
    {
        if (i < A.Length) return true;
        string line = reader.ReadLine();
        if (line == null) return false;
        if (line == "") return CheckNext();
        A = Split(line);
        i = 0;
        return true;
    }
}