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

class Program
{
    class RangeInfo
    {
        public int Start {get; private set;}
        public int Last {get; private set;}
        public int Length { get { return Last - Start + 1; } }
        public RangeInfo(int start, int last)
        {
            this.Start = start;
            this.Last = last;
        }
    }

    static IEnumerable<RangeInfo> Solve726(int n)
    {
        int last = (int)(-1 + Math.Sqrt(1.0 + 8 * n) / 2);
        int first = 0;
        int d = last * (last + 1) / 2 - n;
        while (first <= last)
        {
            switch (Math.Sign(d))
            {
                case -1: d += ++last; break;
                case 1: d -= first++; break;
                default:
                    yield return new RangeInfo(first, last);
                    d -= first++;
                    break;
            }
        }
    }

    static void Main(string[] args)
    {
        int N = 2014;
        foreach (var x in Solve726(N))
        {
            var r = Enumerable.Range(x.Start, x.Length).Select(n => n.ToString());
            Console.WriteLine(string.Join(",", r.ToArray()));
        }
    }
}