namespace MiningCoins_Broken
{
    using System;
    using System.Linq;
    using System.Collections.Generic;
    class Program
    {
        public static void Main()
        {
            var list = Console.ReadLine().Split( new char[] { ' ', ',', ';', ':', '.', '!', '(', ')', '\"', '/', '[', ']' },StringSplitOptions.RemoveEmptyEntries).ToArray();
            var lowerCase = new List<string>();
            var mixedCase = new List<string>();
            var upperCase = new List<string>();
            int lower=0, upper=0;
            foreach (var item in list)
            {

                foreach (var letters in item)
                {
                    if(letters>='a'&&letters<='z')
                    {
                        lower++;
                    }
                    else if(letters >= 'A' && letters <= 'Z')
                    {
                        upper++;
                    }
                    else if(letters >= ' ' && letters <= '@')
                    {
                        lower++;
                        upper++;
                    }
                }
                if(lower>0&&upper==0)
                {
                    lowerCase.Add(item);
                }
                else if(lower==0&&upper>0)
                {
                    upperCase.Add(item);

                }
                else if(lower>0&&upper>0)
                {
                    mixedCase.Add(item);
                }

                upper = 0;
                lower = 0;
            }

            Console.Write("Lower-case: ");
            Console.WriteLine(string.Join(", ", lowerCase));
            Console.Write("Mixed-case: ");
            Console.WriteLine(string.Join(", ", mixedCase));
            Console.Write("Upper-case: ");
            Console.WriteLine(string.Join(", ", upperCase));
        }
   }
}