using System;

using System.Collections.Generic;

using System.Linq;

​

namespace _4.Task

{

    class Program

    {

        static void Main(string[] args)

        {

            string input = Console.ReadLine();

            Dictionary<int, string> eventsById = new Dictionary<int, string>();

            Dictionary<string, List<string>> partsByEvent = new Dictionary<string, List<string>>();

​

            while (!input.Equals("Time for Code"))

            {

                if (input.Contains("#"))

                {

                    string[] info = input.Split(new char[]{' ', '#'}, StringSplitOptions.RemoveEmptyEntries);

                    int id = int.Parse(info[0]);

                    string eventName = info[1];

​

                    List<string> participiants = new List<string>();

                    if (info.Length > 2)

                    {

                        for (int i = 2; i < info.Length; i++)

                        {

                            participiants.Add(info[i]);

                        }

                    }

​

                    if (!eventsById.ContainsKey(id))

                    {

                        eventsById.Add(id, eventName);

                        partsByEvent.Add(eventName, participiants);

                    }

                    else if(eventsById[id] == eventName)

                    {

                        partsByEvent[eventName].AddRange(participiants);

                    }

                }

                input = Console.ReadLine();

            }

​

            foreach (var part in partsByEvent.OrderByDescending(x=>x.Value.Distinct().Count()).ThenBy(x=>x.Key))

            {

                Console.WriteLine($"{part.Key} - {part.Value.Distinct().Count()}");

​

                foreach (var val in part.Value.OrderBy(x=>x).Distinct())

                {

                    Console.WriteLine(val);

                }

            }

        }

    }

}