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

namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {
            var classes = new Dictionary<string, List<string>>();
            string[] commands = Console.ReadLine().Split(' ').ToArray();
            while (commands[0] != "End")
            {
                string command = commands[0];
                if (command == "Add")
                {
                    string name = commands[1];
                    string clas =commands[2];
                    if (!classes.ContainsKey(clas))
                    {
                        classes[clas] = new List<string>();
                    }
                    classes[clas].Add(name);
                }
                if (commands[0] == "Transfer")
                {
                    string name = commands[1];
                    string clas1 = commands[3];
                    string clas2 = commands[5];
                    classes[clas1].Remove(name);
                    if (classes[clas1].Count == 0) classes.Remove(clas1);
                    if (!classes.ContainsKey(clas2))
                    {
                        classes[clas2] = new List<string>();
                    }
                    classes[clas2].Add(name);
                }
                if (commands[0] == "Merge")
                {
                    string clas1 = commands[1];
                    string clas2 = commands[2];
                    for(int i=0;i<classes[clas1].Count;i++)
                    {
                        classes[clas2].Add(classes[clas1][i]);
                    }
                    classes.Remove(clas1);
                }
                commands = Console.ReadLine().Split(' ').ToArray();
            }
            foreach (var clas in classes.OrderByDescending(item => item.Value.Count).ThenBy(item => item.Key))
            {
                Console.WriteLine("Class name - {0}", clas.Key);
                foreach(var student in clas.Value)
                {
                    Console.WriteLine("###{0}",student);
                }
            }
        }
    }
}