using System;
using System.Collections.Generic;
using System.Linq;

namespace yukicoder
{
	public class Program
	{
		public static void Main()
		{
			var n = int.Parse(Console.ReadLine());
			var a = Console.ReadLine().Trim().Split(' ').Select(value => int.Parse(value)).Distinct().ToArray();
			var m = 16384 * 2;
			var b = new bool[m];
			b[0] = true;
			for(var i = 0; i < a.Length; i++)
            {
                for (var j = 0; j < m; j++)
                {
                    if (b[j])
                    {
						b[j ^ a[i]] = true;
                    }
                }
            }
			Console.WriteLine(b.Count(value => value));
		}
    }
}