Roli The Coder

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;
//ReSharper disable All

namespace _02
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            Dictionary<int, Dictionary<string, List<string>>> eventDictionary = new Dictionary<int, Dictionary<string, List<string>>>();
            while (!(input.Equals("Time for Code")))
            {
                string[] data = input.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
                if (data[1].Contains('#'))
                {
                    int id = int.Parse(data[0]);
                    string eventName = data[1].Substring(1);
                    List<string> participants = new List<string>();
                    for (int i = 2; i < data.Length; i++)
                    {
                        participants.Add(data[i]);
                    }
                    participants.Distinct();

                    if (!(eventDictionary.ContainsKey(id)))
                    {
                        Dictionary<string,List<string>> inputData = new Dictionary<string, List<string>>();
                        inputData.Add(eventName,participants);
                        eventDictionary.Add(id,inputData);
                    }else if (eventDictionary.ContainsKey(id)&& eventDictionary[id].ContainsKey(eventName))
                    {
                        Dictionary<string, List<string>> inputData = new Dictionary<string, List<string>>();
                        inputData = eventDictionary[id];
                        foreach (string part in participants)
                        {
                            inputData[eventName].Add(part);
                        }
                        inputData[eventName].Distinct();
                        eventDictionary[id] = inputData;
                    }

                }
                input = Console.ReadLine();
            }
            //eventDictionary =
            //    eventDictionary.OrderByDescending(x => x.Value.Count())
            //        .ThenBy(x => x.Value.Keys)
            //        .ToDictionary(x => x.Key, x => x.Value);
            foreach (var id in eventDictionary)
            {
                foreach (var eventT in id.Value)
                {
                    Console.WriteLine($"{eventT.Key} - {eventT.Value.Count()}");
                    foreach (var participants in eventT.Value.OrderBy(x=>x))
                    {
                        Console.WriteLine(participants);
                    }
                }
            }
        }
    }
}