Secret Chat

message = input()

while True:
    line = input()
    if line == "Reveal":
        break

    line_split = line.split(":|:")
    command = line_split[0]

    if command == "InsertSpace":
        given_index = int(line_split[1])
        message = message[:given_index] + " " + message[given_index:]
        print(message)

    elif command == "Reverse":
        substring = line_split[1]
        if substring in message:
            x = message.replace(substring, "", 1)
            message = x + substring[::-1]
            print(message)
        else:
            print("error")
    else:
        substring = line_split[1]
        replacement = line_split[2]
        y = message.replace(substring, replacement)
        message = y
        print(message)

print(f"You have a new text message: {message}")