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

namespace _02.HornetComm
{
    class Program
    {
        static void Main(string[] args)
        {
            var input = Console.ReadLine();
            Dictionary<string, List<string>> privateMessages = new Dictionary<string, List<string>>();
            Dictionary<string, string> broadcast = new Dictionary<string, string>();
            string patternMessage = @"\b([0-9]+) <-> ([^\d\W]+\b)";
            string patternBroadcast = @"^([^\d]+) <-> ([A-Za-z0-9]+)";
            while (input != "Hornet is Green")
            {


                foreach (Match m in Regex.Matches(input, patternMessage))
                {
                    if (!privateMessages.ContainsKey(m.Groups[1].Value))
                    {
                        privateMessages.Add(m.Groups[1].Value, new List<string>());
                        privateMessages[m.Groups[1].Value].Add(m.Groups[2].Value);
                    }
                    else
                    {
                        privateMessages[m.Groups[1].Value].Add(m.Groups[2].Value);
                    }


                }
                foreach (Match b in Regex.Matches(input, patternBroadcast))
                {
                    broadcast.Add(b.Groups[1].Value, b.Groups[2].Value);
                }
                var reversed = string.Empty;
                foreach (var item in privateMessages)
                {
                    reversed = item.Key.ToString().Reverse().ToString();
                }

                input = Console.ReadLine();
            }
        }
    }
}