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

namespace _4.Split_by_Word_Casing
{
    class Program
    {
        static void Main(string[] args)
        {
            var listOfStrings = Console.ReadLine()
                .Split(',', ';', ':', '.', '!', '(', ')', '"', '\\', '/', '[', ']', ' ')
                .ToList();

            List<string> lowerCaseWords = new List<string>();
            List<string> upperCaseWords = new List<string>();
            List<string> mixedCaseWords = new List<string>();

            int isWordIntParsable = 0;
            for (int i = 0; i < listOfStrings.Count; i++)
            {
                if (int.TryParse(listOfStrings[i], out isWordIntParsable))
                {
                    mixedCaseWords.Add(listOfStrings[i]);
                }
                else if (listOfStrings[i].Contains("#"))
                {
                    mixedCaseWords.Add(listOfStrings[i]);
                }
                else if (listOfStrings[i]==listOfStrings[i].ToLower())
                {
                    lowerCaseWords.Add(listOfStrings[i]);
                }
                else if (listOfStrings[i] == listOfStrings[i].ToUpper())
                {
                    upperCaseWords.Add(listOfStrings[i]);
                }
                else
                {
                    mixedCaseWords.Add(listOfStrings[i]);
                }
            }

            //tuka pulni lista sus "" veroqtno zashtoto ""=="".ToLower();
            //no pak nqma logika
            lowerCaseWords.RemoveAll(x=>x == "");

            Console.WriteLine("Lower-case: "
                + string.Join(", ", lowerCaseWords)
                );
            Console.WriteLine("Mixed-case: "
                + string.Join(", ", mixedCaseWords)
                );
            Console.WriteLine("Upper-case: "
                + string.Join(", ", upperCaseWords)
                );
        }
    }
}