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

class LongestIncreasingSequence
{
    static void Main()
    {
        List<int> nums = Console.ReadLine().Split(' ').Select(int.Parse).ToList();

        List<int> output = new List<int>();
        List<int> longestS = new List<int>();

        while (nums.Count > 0)
        {
            output.Add(nums[0]);
            nums.Remove(nums[0]);

            for (int i = 0; i < nums.Count; i++)
            {
                if (nums[i] > output[output.Count - 1])
                {
                    output.Add(nums[i]);
                    nums.Remove(nums[i]);
                    i--;
                }
                else
                {
                    break;
                }
            }
            if (longestS.Count < output.Count)
            {
                longestS.Clear();
                longestS.InsertRange(0, output);
            }
            Console.WriteLine(String.Join(" ", output));
            output.Clear();
        }

        Console.WriteLine("Longest: " + String.Join(" ", longestS));
    }
}