TOPASIMI

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

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> dankalove = Console.ReadLine().Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries).ToList();
            string[] words = Console.ReadLine().Split(new[] { '|', ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
            string command = Console.ReadLine();

            Dictionary<string, List<string>> dictionary = new Dictionary<string, List<string>>();
            for (int i = 0; i < dankalove.Count; i++)
            {
                string[] temporary = dankalove[i].Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
                temporary[0] = temporary[0].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray()[0];
                if (dictionary.ContainsKey(temporary[0]))
                {
                    List<string> previous = dictionary[temporary[0]];
                    previous.Add(temporary[1]);
                    dictionary[temporary[0]] = previous;
                }else
                {
                    List<string> definition = new List<string>();
                    definition.Add(temporary[1]);
                    dictionary.Add(temporary[0], definition);
                }

            }
            if(command == "List")
            {
                var wordsOutput = dictionary.Keys.ToList();
                wordsOutput.Sort();
                for(int i = 0; i < wordsOutput.Count; i++)
                {
                    Console.Write(wordsOutput[i] + " ");
                }
                Console.WriteLine();
            }
            if(command == "End")
            {
                var wordsOutput = dictionary.Keys.ToList();
                wordsOutput.Sort();
                for (int i = 0; i < wordsOutput.Count; i++)
                {
                    Console.WriteLine(wordsOutput[i]);
                    var definitions = dictionary[wordsOutput[i]];
                    definitions.Sort();
                    for (int j = 0; j < definitions.Count; j++)
                    {
                        Console.Write(" " + "-" + definitions[j].Substring(1));

                        Console.WriteLine();
                    }
                }
            }
        }
    }
}