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

class RoliTheCoder
{
    static void Main(string[] args)
    {
        List<Event> events = new List<Event>();
        while (true)
        {
            string inputLine = Console.ReadLine();
            if (inputLine.Equals("Time for Code"))
            {
                break;
            }

            string[] eventArgs = inputLine.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
            int eventID = int.Parse(eventArgs[0]);
            string eventName = eventArgs[1];

            if (!eventName.Contains("#"))
            {
                continue;
            }
            eventName = eventName.Trim('#');
            bool foundInvalidParticipant = false;
            for (int i = 2; i < eventArgs.Length; i++)
            {
                if (!eventArgs[i].Contains('@'))
                {
                    foundInvalidParticipant = true;
                    break;
                }
            }
            if (foundInvalidParticipant)
            {
                continue;
            }
            MatchCollection participants = Regex.Matches(inputLine, @"@[\w]+");

            ReadEvent(eventID, eventName, participants, events);
        }

        PrintEvents(events);
    }

    static void PrintEvents(List<Event> events)
    {
        foreach (var occasion in events.OrderByDescending(e => e.Participants.Count).ThenBy(e => e.Name))
        {
            Console.WriteLine($"{occasion.Name} - {occasion.Participants.Count}");
            foreach (var participant in occasion.Participants.OrderBy(p => p))
            {
                Console.WriteLine(participant);
            }
        }
    }

    private static void ReadEvent(int eventID, string eventName, MatchCollection participants, List<Event> events)
    {
        Event currentEvent = new Event();

        if (events.Any(e => e.ID == eventID && e.Name == eventName))
        {
            currentEvent = events.First(e => e.ID == eventID);
            foreach (var participant in participants)
            {
                currentEvent.Participants.Add(participant.ToString());
            }
            currentEvent.Participants = currentEvent.Participants.Distinct().ToList();
        }
        else if (!(events.Any(e => e.Name == eventName || e.ID == eventID)))
        {
            currentEvent.ID = eventID;
            currentEvent.Name = eventName;
            currentEvent.Participants = new List<string>();

            foreach (var participant in participants)
            {
                currentEvent.Participants.Add(participant.ToString());
            }
            currentEvent.Participants = currentEvent.Participants.Distinct().ToList();
            events.Add(currentEvent);
        }
    }
}

class Event
{
    public int ID { get; set; }
    public string Name { get; set; }
    public List<string> Participants { get; set; }
}