using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = long.Parse(ReadLine());
        if (n == 0)
        {
            WriteLine(-1);
            return;
        }
        var ans = new List<long>();
        for (var i = 40; i >= 0; --i)
        {
            if ((n ^ ((1L << i + 1) - 1)) < n)
            {
                n ^= (1L << i + 1) - 1;
                ans.Add(1L << i);
            }
        }
        WriteLine(ans.Count);
        WriteLine(string.Join(" ", ans));
    }
}