using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<int> numbers = Console.ReadLine().Split(' ').Select(int.Parse).ToList(); // example : 2 3 4 5 1

        List<List<int>> sequences = new List<List<int>>();

            for(int j=0; j < numbers.Count-1; j++) //current index numbers[j]=2

            {

                for(int k=j; k<numbers.Count - 1; k++) //next index

                {

                    for(int i=0; i < numbers.Count; i++) // add current to list<list<int>> indexes

                    {

                        if(numbers[j] < numbers[k]) //if current < any of the next  => add current to each position of sequences[i] where is true

                        {

                            sequences[i].Add(numbers[j]);// 2 < 3  => sequences[0].Add(2)

                        }

                    }

                }

            }

        //print list sequence on each list position, just for check!!!!

        for(int x=0; x<sequences.Count; x++)

        {

            for(int z=0; z<sequences[x].Count; z++)

            {

                Console.WriteLine(string.Join(" ",sequences[x]));

            }

        }

    }

}