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

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

            string command;
            while ((command = Console.ReadLine()) != "course start")
            {
                string[] currentCommand = command.Split(":", StringSplitOptions.RemoveEmptyEntries).ToArray();
                string commandName = currentCommand[0];
                string lessonTitle = currentCommand[1];

                bool hasLessonTitle = schedule.Contains(lessonTitle);
                bool hasLessonTitleExercise = schedule.Contains($"{lessonTitle}-Exercise");


                if (commandName == "Add" && !hasLessonTitle)
                {
                    Add(schedule, lessonTitle);
                }

                else if (commandName == "Insert" && !hasLessonTitle)
                {
                    Insert(schedule, currentCommand, lessonTitle);
                }

                else if (commandName == "Remove" && hasLessonTitle)
                {
                    if (hasLessonTitleExercise)
                    {
                        schedule.Remove($"{lessonTitle}-Exercise");
                    }

                    schedule.Remove(lessonTitle);
                }

                else if (commandName == "Swap")
                {
                    Swap(schedule, currentCommand, lessonTitle, hasLessonTitle, hasLessonTitleExercise);
                }

                else if (commandName == "Exercise")
                {
                    Exercise(schedule, lessonTitle, hasLessonTitle, hasLessonTitleExercise);
                }
            }

            Print(schedule);
        }

        private static void Exercise(List<string> schedule, string lessonTitle, bool hasLessonTitle, bool hasLessonTitleExercise)
        {
            if (hasLessonTitle && !hasLessonTitleExercise)
            {
                int lessionTitleIndex = schedule.IndexOf(lessonTitle);
                schedule.Insert(lessionTitleIndex + 1, $"{lessonTitle}-Exercise");
            }

            else if (!hasLessonTitle && !hasLessonTitleExercise)
            {
                schedule.Add(lessonTitle);
                schedule.Add($"{lessonTitle}-Exercise");
            }

        }

        private static void Print(List<string> schedule)
        {
            for (int i = 0; i < schedule.Count; i++)
            {
                Console.WriteLine($"{i + 1}.{schedule[i]}");
            }
        }

        private static void Swap(List<string> schedule, string[] currentCommand, string lessonTitle, bool hasLessonTitle, bool hasLessonTitleExercise)
        {
            string lessonTitle2 = currentCommand[2];

            bool hasLessonTitle2 = schedule.Contains(lessonTitle2);
            bool hasLessonTitle2Exercise = schedule.Contains($"{lessonTitle2}-Exercise");

            if (hasLessonTitle && hasLessonTitle2)
            {
                int lessonTitleIndex = schedule.IndexOf(lessonTitle);
                int lessonTitleExerciseIndex = schedule.IndexOf($"{lessonTitle}-Exercise");
                int lessonTitle2Index = schedule.IndexOf(lessonTitle2);
                int lessonTitle2ExerciseIndex = schedule.IndexOf($"{lessonTitle2}-Exercise");

                if (lessonTitleIndex > lessonTitle2Index)
                {
                    lessonTitleIndex = schedule.IndexOf(lessonTitle2);
                    lessonTitleExerciseIndex = schedule.IndexOf($"{lessonTitle2}-Exercise");
                    lessonTitle2Index = schedule.IndexOf(lessonTitle);
                    lessonTitle2ExerciseIndex = schedule.IndexOf($"{lessonTitle}-Exercise");
                    lessonTitle2 = currentCommand[1];
                    lessonTitle = currentCommand[2];
                }

                schedule.Insert(lessonTitleIndex, lessonTitle2);
                schedule.Insert(lessonTitle2Index + 1, lessonTitle);

                schedule.RemoveAt(lessonTitleIndex + 1);
                schedule.RemoveAt(lessonTitle2Index + 1);

                if (hasLessonTitleExercise && !hasLessonTitle2Exercise)
                {
                    schedule.Insert(lessonTitle2Index + 1, $"{lessonTitle}-Exercise");

                    schedule.RemoveAt(lessonTitleExerciseIndex + 1);
                }

                else if (!hasLessonTitleExercise && hasLessonTitle2Exercise)
                {
                    schedule.Insert(lessonTitleIndex + 1, $"{lessonTitle2}-Exercise");

                    schedule.RemoveAt(lessonTitle2ExerciseIndex + 1);
                }

                else if (hasLessonTitleExercise && hasLessonTitle2Exercise)
                {
                    schedule.Insert(lessonTitleIndex + 1, $"{lessonTitle2}-Exercise");
                    schedule.Insert(lessonTitle2Index + 2, $"{lessonTitle}-Exercise");

                    schedule.RemoveAt(lessonTitleExerciseIndex + 1);
                    schedule.RemoveAt(lessonTitle2ExerciseIndex + 1);
                }
            }
        }

        private static void Insert(List<string> schedule, string[] currentCommand, string lessonTitle)
        {
            int index = int.Parse(currentCommand[2]);
            schedule.Insert(index, lessonTitle);
        }

        private static void Add(List<string> schedule, string lessonTitle)
        {
            schedule.Add(lessonTitle);
        }
    }
}