def minimumNumber(n, password):
    specials = ["!", "@", "#", "$", "%", "^", "&", "*", "(", ")", "-", "+"]
    upper = False
    lower = False
    special = False
    num = False
    for letter in password:
        if letter.isupper():
            upper = True
        elif letter.islower():
            lower = True
        elif letter.isnumeric():
            num = True
        elif letter in specials:
            special = True
    return max(0, 6 - n, [upper, lower, special, num].count(False))