namespace RoliTheCoder
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text.RegularExpressions;
    public class RoliTheCoder
    {
        static void Main()
        {
            var dict = new Dictionary<int, Event>();



            int id = 0;
            string eventName = string.Empty;

            while (true)
            {
                string input = Console.ReadLine().TrimStart();
                if (input == "Time for Code")
                {
                    break;
                }

                string[] tokens = input.Split(new char[] { ' ', '\t', '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
                string idPattern = @"(?<id>\d+)";
                Match firstMatch = Regex.Match(tokens[0], idPattern);
                if (firstMatch.Success)
                {
                    id = int.Parse(firstMatch.Groups["id"].Value);
                }
                string eventPattern = @"#(?<event>[A-Za-z0-9_@]+)";
                Match secondMatch = Regex.Match(tokens[1], eventPattern);
                if (secondMatch.Success)
                {
                    eventName = secondMatch.Groups["event"].Value;

                }
                else
                {
                    continue;
                }
                var list = new List<string>();
                string thirdPattern = @"@(?<participants>[A-Za-z0-9'-]+)";
                MatchCollection matches = Regex.Matches(input, thirdPattern);
                foreach (var item in matches)
                {
                    list.Add(item.ToString());

                }
                list.Sort();
                if (!dict.ContainsKey(id))
                {
                    dict.Add(id, new Event(eventName, id, list));
                }
                else
                {
                    if (dict[id].Name != eventName)
                    {
                        continue;
                    }
                    else
                    {
                        if (dict[id].Name == eventName)
                        {
                            dict[id].Participants.AddRange(list);
                            dict[id].Participants = dict[id].Participants.Distinct().ToList();
                        }
                    }
                }

            }
            dict = dict.OrderByDescending(x => x.Value.Participants.Count()).ThenBy(x => x.Value.Name).ToDictionary(x => x.Key, x => x.Value);
            foreach (var kvp in dict)
            {
                //print format - {eventName} – {participantCount}
                Console.WriteLine($"{kvp.Value.Name} - {kvp.Value.Participants.Count()}");
                foreach (var participant in kvp.Value.Participants.OrderBy(x => x))
                {
                    Console.WriteLine($"{participant}");
                }
            }

        }
    }
    public class Event
    {
       public string Name { get; set; }

        public int Id { get; set; }

        public List<string> Participants { get; set; }

        public Event(string name,int id, List<string> participants)
        {
            this.Name = name;
            this.Id = id;
            this.Participants = participants;
        }
    }
}