def isMyNumber(guess):
    """
    Procedure that hides a secret number.
    :param guess: integer number
    :return:
    -1 if guess is less than the secret number
    0 if guess is equal to the secret number
    1 if guess is greater than the secret number
    """
    secretnum = 5

    if guess == secretnum:
        return 0
    elif guess < secretnum:
        return -1
    else:
        return 1