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

namespace _04.ArrayHistogram
{
    class ArrayHistogram
    {
        static void Main(string[] args)
        {
            var input = Console.ReadLine().Split().ToArray();

            var words = new List<string>();
            var occurrencesCount = new List<int>();
            int count = 1;
            for (int i = 0; i < input.Length; i++)
            {
                if (!words.Contains(input[i]))
                {
                    words.Add(input[i]);
                    occurrencesCount.Insert(i,count);
                }
                else if (words.Contains(input[i]))
                {
                    occurrencesCount.Insert(//??, count++);
                }

            }

            Console.WriteLine(string.Join(" ", words));
            Console.WriteLine(string.Join(" ", occurrencesCount));
        }
    }
}