using System;
using System.Linq;
using System.Collections.Generic;

namespace E09_ForceBook
{
    class Program
    {
        static void Main()
        {
            var input = Console.ReadLine();

            var forceSides = new Dictionary<string, List<string>>();

            while (input != "Lumpawaroo")
            {
                var user = string.Empty;
                var side = string.Empty;

                if (input.Contains("|"))
                {
                    var tokens = input
                    .Split(new string[] { " | " }, StringSplitOptions.RemoveEmptyEntries)
                    .ToArray();

                    side = tokens[0];
                    user = tokens[1];

                    if (!forceSides.ContainsKey(side))
                    {
                        forceSides[side] = new List<string>();
                    }
                    if (!forceSides[side].Contains(user)
                        && !forceSides.Values.Any(u=>u.Contains(user)))
                    {
                        forceSides[side].Add(user);
                    }
                }
                else if(input.Contains("->"))
                {
                  var tokens = input
                    .Split(new string[] { " -> " }, StringSplitOptions.RemoveEmptyEntries)
                    .ToArray();

                    side = tokens[1];
                    user = tokens[0];

                    if (forceSides.Any(x => x.Value.Contains(user)))
                    {
                        foreach (var s in forceSides)
                        {
                            if (s.Value.Contains(user))
                            {
                                s.Value.Remove(user);
                            }
                        }
                        if (!forceSides.ContainsKey(side))
                        {
                            forceSides[side] = new List<string>();
                        }
                    }
                    else
                    {
                        if (!forceSides.ContainsKey(side))
                        {
                            forceSides[side] = new List<string>();
                        }
                    }
                    forceSides[side].Add(user);
                    Console.WriteLine($"{user} joins the {side} side!");
                }
                input = Console.ReadLine();
            }

            forceSides = forceSides.Where(s=>s.Value.Count>0)
                .OrderByDescending(s => s.Value.Count)
                .ThenBy(s => s.Key)
                .ToDictionary(kvp => kvp.Key, kvp => kvp.Value);

            foreach (var kvp in forceSides)
            {
                Console.WriteLine($"Side: {kvp.Key}, Members: {kvp.Value.Count}");
                Console.WriteLine($"! {string.Join("\r\n! ", kvp.Value.OrderBy(u=>u))}");
            }

        }
    }
}