chat_logger

chat_history = []

command = input().split()

while not command[0] == 'end':
    action = command[0]
    if action == 'Chat':
        chat_history.append(command[1])
    elif action == 'Delete':
        message = command[1]
        if message in chat_history:
            chat_history.remove(message)
    elif action == 'Edit':
        message = command[1]
        edited_version = command[2]
        if message in chat_history:
            chat_history[chat_history.index(message)] = edited_version
    elif action == 'Pin':
        message = command[1]
        if message in chat_history:
            chat_history.append(chat_history.pop(chat_history.index(message)))
    elif action == 'Spam':
        messages = command
        for i in range(len(command)):
            if not messages[i] == 'Spam':
                chat_history.append(messages[i])
    command = input().split()

print('\n'.join(chat_history))