string_cards = input()
list_cards = string_cards.split(':')
deck = []
while True:
    command = input()
    if command == 'Ready':
        break
    command_list = command.split()
    if command_list[0] == 'Add':
        if command_list[1] in list_cards:
            deck.append(command_list[1])
            list_cards.remove(command_list[1])
        else:
            print("Card not found.")
    elif command_list[0] == 'Insert':
        if int(command_list[2]) >= len(deck):
            print('Error!')
        elif command_list[1] in list_cards:
            deck.insert(int(command_list[2]), command_list[1])
        else:
            print('Error!')
    elif command_list[0] == 'Remove':
        if command_list[1] in deck:
            deck.remove(command_list[1])
        else:
            print("Card not found.")
    elif command_list[0] == 'Swap':
        index1 = None
        index2 = None
        for i in range(len(deck)):
            if deck[i] == command_list[1]:
                index1 = i
            elif deck[i] == command_list[2]:
                index2 = i
        deck[index1], deck[index2] = deck[index2], deck[index1]
    elif command == 'Shuffle deck':
        deck = deck[::-1]

print(*deck)