chat_logger_EK

message = input().split(" ")
command = message[0]
chat = []
while command != "end":
    if command == "Chat":
        chat.append(message[1])
    elif command == "Delete":
        current_message = message[1]
        if current_message in chat:
            chat.remove(current_message)
    elif command == "Edit":
        old_message = message[1]
        if old_message in chat:
            old_message_index = chat.index(old_message)
            chat.remove(old_message)
            chat.insert(old_message_index, message[2])
    elif command == "Pin":
        pinned_message = message[1]
        if pinned_message in chat:
            chat.remove(pinned_message)
            chat.append(pinned_message)
    elif command == "Spam":
        for item in range(1, len(message)):
            chat.append(message[item])
    message = input().split(" ")
    command = message[0]
print(*chat, sep='\n')