cards = input().split(':')
result = []
command = input()

while command != 'Ready':
    tokens = command.split()
    if tokens[0] == 'Add':
        card = tokens[1]
        if card not in cards:
            print("Card not found.")
        else:
            result.append(card)

    elif tokens[0] == 'Insert':
        index = int(tokens[2])
        if not 0 <= index < len(cards) or tokens[1] not in cards:
            print("Error!")
        else:
            result.insert(index, tokens[1])

    elif tokens[0] == 'Remove':
        if tokens[1] not in result:
            print("Card not found.")
        else:
            result.remove(tokens[1])

    elif tokens[0] == 'Swap':
        x = tokens[1]
        y = tokens[2]
        index_1 = result.index(x)
        index_2 = result.index(y)
        result[index_1], result[index_2] = result[index_2], result[index_1]

    elif tokens[0] == 'Shuffle':
        result.reverse()

    command = input()

print(' '.join(result))