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

public class Program
{
    public static void Main()
    {
        List<Player> players = new List<Player>();

        while (true)
        {
            string input = Console.ReadLine();

            if (input == "Season end")
            {
                break;
            }

            if (input.Contains('>'))
            {
                string[] tokens = input.Split(new char[] {'>','-', ' '}, StringSplitOptions.RemoveEmptyEntries).ToArray();
                string name = tokens[0];
                string position = tokens[1];
                int skill = int.Parse(tokens[2]);

                Player player = players.FirstOrDefault(p => p.Name == name);

                if (player == null)
                {
                    Player newPlayer = new Player(name);
                    var pos = newPlayer.Position;
                    pos.Add(position, skill);
                    players.Add(newPlayer);
                }
                else
                {
                    if (player.Position.ContainsKey(position) == false)
                    {
                        player.Position.Add(position, skill);
                    }
                    else if (player.Position.ContainsKey(position) && player.Position[position] < skill)
                    {
                        player.Position[position] = skill;
                    }
                }

            }
            else if (input.Contains(" vs "))
            {
                string[] tokens = input.Split();
                string first = tokens[0];
                string second = tokens[2];

                Player player1 = players.Find(p => p.Name == first);
                Player player2 = players.Find(p => p.Name == second);

                if (players.Any(p => p.Name != player1.Name) && players.Any(x => x.Name != player2.Name))
                {
                    break;
                }
                else
                {
                    foreach (var player1Pos in player1.Position)
                    {
                        if (player2.Position.ContainsKey(player1Pos.Key))
                        {
                            var player2Position = player2.Position.FirstOrDefault(p => p.Key == player1Pos.Key);
                            if (player2Position.Value < player1Pos.Value)
                            {
                                players.Remove(player2);
                            }
                            else if (player2Position.Value > player1Pos.Value)
                            {
                                players.Remove(player1);
                            }
                        }
                    }
                }

                ///to be sorted
            }
        }
    }
}


public class Player
{
    public string Name { get; set; }
    public Dictionary<string, int> Position { get; set; }


    public Player(string name)
    {
        this.Name = name;
        this.Position = new Dictionary<string, int>();

    }
}