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

namespace P10SoftUniCoursePlanning
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> courseSchedule = Console.ReadLine().Split(',').ToList();

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

                if(command=="course start")
                {
                    break;
                }

                ModifySchedule(command, courseSchedule);
            }

            foreach (var item in courseSchedule)
            {
                Console.WriteLine(item);
            }
        }

        private static void ModifySchedule(string command, List<string> courseSchedule)
        {
            string[] tokens = command.Split();
            if (tokens[0] == "Add" && tokens[1] == ":")
            {
                string lesson = tokens[2];
                if (!courseSchedule.Contains(lesson))
                {
                    courseSchedule.Add(lesson);
                }
            }
            else if (tokens[0] == "Insert" && tokens[1] == ":" && tokens[3] == ":")
            {
                string lesson = tokens[2];
                int index = int.Parse(tokens[4]);

                courseSchedule.Insert(index, lesson);
            }
            else if (tokens[0] == "Remove" && tokens[1] == ":")
            {
                string lesson = tokens[2];
                courseSchedule.Remove(lesson);
                string exercise = lesson + "-Exercise";

                if (courseSchedule.Contains(exercise))
                {
                    courseSchedule.Remove(exercise);
                }
            }
            else if (tokens[0] == "Swap" && tokens[1] == ":" && tokens[3] == ":")
            {
                string firstLesson = tokens[2];
                string secondLesson = tokens[4];
                string temp = "";
                string firstExercise = tokens[2] + "-Exercise";
                string secondExercise = tokens[4] + "-Exercise";
                string tempEx = "";

                if (courseSchedule.Contains(firstLesson) && courseSchedule.Contains(secondLesson))
                {

                    if (courseSchedule.Contains(firstExercise) || courseSchedule.Contains(secondExercise))
                    {
                        temp = firstLesson;
                        firstLesson = secondLesson;
                        secondLesson = temp;

                        tempEx = firstExercise;
                        firstExercise = secondExercise;
                        secondExercise = temp;
                    }
                    else
                    {
                        temp = firstLesson;
                        firstLesson = secondLesson;
                        secondLesson = temp;
                    }
                }

            }
            else if (tokens[0] == "Exercise" && tokens[1] == ":")
            {
                string exercise = tokens[2] + "-Exercise";

                if (courseSchedule.Contains(tokens[2]) && !courseSchedule.Contains(exercise))
                {
                    int index = courseSchedule.IndexOf(tokens[2]);

                    if (index == courseSchedule.Count - 1)
                    {
                        courseSchedule.Add(exercise);
                    }
                    else
                    {
                        courseSchedule.Insert(index + 1, exercise);
                    }
                }
                else if (!courseSchedule.Contains(tokens[2]))
                {

                    courseSchedule.Add(tokens[2]);
                    courseSchedule.Add(exercise);
                }
            }
        }
    }
}