SoftUniCoursePlanning

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class SoftUniCoursePlanning {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        List<String> schedule = new ArrayList<>();
        Arrays.asList(sc.nextLine().split(", ")).stream().distinct().forEach(schedule::add);

        String command = "";
        while (!"course start".equals(command = sc.nextLine())){

            String[] token = command.split(":");
            String exe = "-Exercise";
            switch (token[0]){
                case "Add":
                    if (!schedule.contains(token[1])){
                        schedule.add(token[1]);
                    }
                    break;

                case "Insert":
                    if (!schedule.contains(token[1])){
                        int index = Integer.parseInt(token[2]);
                        if (index >= 0 && index < schedule.size()){
                            schedule.add(index, token[1]);
                        }
                    }
                    break;

                case "Remove":
                    if (schedule.contains(token[1])){
                        schedule.remove(schedule.indexOf(token[1]));
                    }
                    if (schedule.contains(token[1] + exe)){
                        schedule.remove(schedule.indexOf(token[1] + exe));
                    }
                    break;

                case "Swap":
                    if (schedule.contains(token[1]) && schedule.contains(token[2])) {
                        int firstSwapIndex = schedule.indexOf(token[1]);
                        int secondSwapIndex = schedule.indexOf(token[2]);
                        schedule.set(secondSwapIndex, token[1]);
                        schedule.set(firstSwapIndex, token[2]);
                        if (schedule.contains(token[1] + exe)){
                            schedule.remove(schedule.indexOf(token[1] + exe));
                            schedule.add(schedule.indexOf(token[1]) + 1, token[1] + exe);
                        }
                        if (schedule.contains(token[2] + exe)){
                            schedule.remove(schedule.indexOf(token[2] + exe));
                            schedule.add(schedule.indexOf(token[2]) + 1, token[2] + exe);
                        }
                    }
                    break;

                case "Exercise":
                    if (schedule.contains(token[1]) && !schedule.contains(token[1] + exe)){
                        schedule.add(schedule.indexOf(token[1]) + 1, token[1] + "-Exercise");
                    }
                    else if (!schedule.contains(token[1] + exe)){
                        schedule.add(token[1]);
                        schedule.add(token[1] + exe);
                    }
                    break;

            }
        }

        for (int i = 0; i < schedule.size(); i++){
            System.out.printf("%d.%s%n", i + 1, schedule.get(i));
        }
    }
}