using System;

namespace No002_素因数ゲーム
{
    class Program
    {
        static void Main(string[] args)
        {
            int result = 0;
            int n = int.Parse(Console.ReadLine());

            result ^= fact(ref n, 2);

            for (int i = 3; i <= n; i += 2)
                result ^= fact(ref n, i);

            if (result == 0)
                Console.WriteLine("Bob");
            else
                Console.WriteLine("Alice");
        }

        static int fact(ref int n, int d)
        {
            int count = 0;

            while (n % d == 0)
            {
                count++;
                n /= d;
            }

            return count;
        }
    }
}