softuni_course_planning

initial_schedule = input().split(", ")
command = input().split(':')

while command[0] != 'course start':
    action = command[0]
    lesson_title = command[1]
    if action == 'Add':
        if lesson_title not in initial_schedule:
            initial_schedule.append(lesson_title)
    elif action == 'Insert':
        index = int(command[2])
        if lesson_title not in initial_schedule:
            initial_schedule.insert(index, lesson_title)
    elif action == 'Remove':
        if lesson_title in initial_schedule:
            initial_schedule.remove(lesson_title)
            lesson_exercise = f'{lesson_title}-Exercise'
            if lesson_exercise in initial_schedule:
                initial_schedule.remove(lesson_exercise)
    elif action == 'Swap':
        lesson_title_second = command[2]
        if lesson_title in initial_schedule and lesson_title_second in initial_schedule:
            first_lesson_index = initial_schedule.index(lesson_title)
            second_lesson_index = initial_schedule.index(lesson_title_second)
            initial_schedule[first_lesson_index], initial_schedule[second_lesson_index] = \
                initial_schedule[second_lesson_index], initial_schedule[first_lesson_index]
            first_lesson_exercise = f'{lesson_title}-Exercise'
            second_lesson_exercise = f'{lesson_title_second}-Exercise'

            if first_lesson_exercise in initial_schedule:
                initial_schedule.remove(first_lesson_exercise)
                if second_lesson_index + 1 == len(initial_schedule):
                    initial_schedule.append(first_lesson_exercise)
                else:
                    initial_schedule.insert(second_lesson_index + 1, first_lesson_exercise)

            if second_lesson_exercise in initial_schedule:
                initial_schedule.remove(second_lesson_exercise)
                if first_lesson_index + 1 == len(initial_schedule):
                    initial_schedule.append(second_lesson_exercise)
                else:
                    initial_schedule.insert(first_lesson_index + 1, second_lesson_exercise)

    elif action == 'Exercise':
        if lesson_title not in initial_schedule:
            initial_schedule.append(lesson_title)
            lesson_exercise = f'{lesson_title}-Exercise'
            lesson_title_index = initial_schedule.index(lesson_title)
            if lesson_title_index + 1 < len(initial_schedule):
                initial_schedule.insert(lesson_title_index + 1, lesson_exercise)
            else:
                initial_schedule.append(lesson_exercise)
        else:
            lesson_title_index = initial_schedule.index(lesson_title)
            lesson_exercise = f'{lesson_title}-Exercise'
            if lesson_exercise not in initial_schedule:
                if lesson_title_index + 1 < len(initial_schedule):
                    initial_schedule.insert(lesson_title_index + 1, lesson_exercise)
                else:
                    initial_schedule.append(lesson_exercise)

    command = input().split(':')

for count, value in enumerate(initial_schedule, start=1):
    print(f"{count}.{value}")