error = "Please enter an integer that are between 5 and 13"

while True:
    try:
        game_goal = int(input("What is the game goal? "))

        if game_goal < 5 or game_goal > 13:
            print(error)

        else:
            print(f"Game goal: {game_goal}")
            break


    except ValueError:
        print(error)