using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LongestNonDecreasingSubsequence
{
    class LongestNonDecreasingSubsequence
    {
        static void Main(string[] args)
        {
            string[] sentence = Console.ReadLine().Split();
            int[] array = new int[sentence.Length];
            List<string> final = new List<string>();

            for (int i = 0; i < sentence.Length; i++)
            {
                for (int h = 0; h < sentence.Length; h++)
                {
                    List<string> temp = new List<string>();
                    List<string> temp2 = new List<string>();
                    temp.Add(sentence[h]);
                    temp2.Add(sentence[h]);
                    string letter = sentence[h];
                    string letter2 = sentence[h];
                    for (int j = h + 1; j < sentence.Length; j++)
                    {
                        if (sentence[i] == sentence[j])
                        {
                            continue;
                        }
                        else if (int.Parse(letter) < int.Parse(sentence[j].ToString()))
                        {
                            letter = sentence[j];
                            temp.Add(sentence[j]);
                        }
                        else if (int.Parse(letter2) == int.Parse(sentence[j].ToString()))
                        {
                            letter2 = sentence[j];
                            temp2.Add(sentence[j]);
                        }
                        else
                        {
                            continue;
                        }
                    }
                    if (temp.Count > final.Count)
                    {
                        final = temp;
                    }
                    else if (temp2.Count > final.Count)
                    {
                        final = temp2;
                    }
                    else
                    {
                        continue;
                    }
                }
            }
            foreach (var item in final)
            {
                Console.Write(item + " ");
            }
            //unfinished
        }
    }
}