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

namespace P10SoftUni_Course_Planning
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> LessonsAndExercises = Console.ReadLine().
                Split(", ",StringSplitOptions.RemoveEmptyEntries).
                ToList();

            while (true)
            {
                List<string> commands = Console.ReadLine().
                    Split(':',StringSplitOptions.RemoveEmptyEntries).
                    ToList();
                if (commands[0] == "course start")
                {
                    break;
                }
                if (commands[0] == "Add")
                {
                    if (!LessonsAndExercises.Contains(commands[1]))
                    {
                        LessonsAndExercises.Add(commands[1]);
                    }
                }
                else if (commands[0] == "Insert")
                {
                    if (!LessonsAndExercises.Contains(commands[1]))
                    {
                        if (Convert.ToInt32(commands[2]) < LessonsAndExercises.Count &&
                            Convert.ToInt32(commands[2]) >= 0)
                        {
                            LessonsAndExercises.Insert(int.Parse(commands[2]), commands[1]);
                        }
                    }
                }
                else if (commands[0] == "Remove")
                {
                      if (LessonsAndExercises.Contains(commands[1]))
                      {
                        LessonsAndExercises.Remove(commands[1]);
                        LessonsAndExercises.Remove($"{commands[1]}-Exercise");
                      }
                }
                else if (commands[0] == "Swap")
                {
                        if (LessonsAndExercises.Contains(commands[1]) && LessonsAndExercises.Contains(commands[2]))
                        {
                        string command1 = commands[1];
                        string command2 = commands[2];
                        int index1 = LessonsAndExercises.IndexOf(commands[1]);
                        int index2 = LessonsAndExercises.IndexOf(commands[2]);
                        if (index1 != -1 && index2 != -1)
                        {
                            LessonsAndExercises[index1] = command2;
                            LessonsAndExercises[index2] = command1;
                            if (index1 + 1 < LessonsAndExercises.Count && LessonsAndExercises[index1 + 1] == $"{command1}-Exercise")
                            {
                                LessonsAndExercises.RemoveAt(index1 + 1);
                                index1 = LessonsAndExercises.IndexOf(command1);
                                LessonsAndExercises.Insert(index1 + 1, $"{command1}-Exercise");
                            }

                            if (index2 + 1 < LessonsAndExercises.Count && LessonsAndExercises[index2 + 1] == $"{command2}-Exercise")
                            {
                                LessonsAndExercises.RemoveAt(index2 + 1);
                                index2 = LessonsAndExercises.IndexOf(command2);
                                LessonsAndExercises.Insert(index2 + 1, $"{command2}-Exercise");
                            }
                        }
                      }
                }
                else if (commands[0] == "Exercise")
                {
                    int index = LessonsAndExercises.IndexOf(commands[1]);
                    if (LessonsAndExercises.Contains(commands[1]) && !LessonsAndExercises.Contains($"{commands[1]}-Exercise"))
                    {
                        LessonsAndExercises.Insert(index + 1,
                            $"{commands[1]}-Exercise");
                    }
                    else if (!LessonsAndExercises.Contains(commands[1]))
                    {
                        LessonsAndExercises.Add(commands[1]);
                        LessonsAndExercises.Add($"{commands[1]}-Exercise");
                    }
                }


               // Console.WriteLine(string.Join("\n",LessonsAndExercises));
            }
            for (int i = 0; i < LessonsAndExercises.Count; i++)
            {
                Console.WriteLine($"{i + 1}.{LessonsAndExercises[i]}");
            }
        }
    }
}