def minimumNumber(n, password):
    digits, lower_case, upper_case, special_ch = 0, 0 ,0, 0

    for sign in password:
        if sign.isnumeric():
            digits = 1
        elif sign.islower():
            lower_case = 1
        elif sign.isupper():
            upper_case = 1
        elif sign in "!@#$%^&*()-+":
            special_ch = 1
    result = [digits, lower_case, upper_case, special_ch]
    missing = 4 - sum(result)
    password_length = len(password)

    if password_length >= 6:
        if all(result):
            return 0
        return missing
    else:
        if password_length + missing >= 6:
            return missing
        return 6 - (password_length + missing) + missing