using System.Collections.Generic;
using static System.Math;
using System;

public class Hello
{
    static void Main()
    {
        var s = long.Parse(Console.ReadLine().Trim());
        getAns(s);
    }
    static long calc (long t)
    {
        var a = (long) Sqrt(t);
        var w = (a + 1) * (a + 1);
        if (w > t)
        {
            var w2 = a * a;
            if (w2 > t) return (a - 1) * (a - 1);
            else return w2;
        }
        else return w;
    }
    static void getAns(long s)
    {
        var ans = new List<long>();
        while (true)
        {
            var w = calc(s);
            ans.Add(w);
            s -= w;
            if (s == 0) break;
        }
        Console.WriteLine(ans.Count);
        Console.WriteLine(string.Join(" ",ans));
    }
}