from lib import get_data, str_to_ints


def in_range_1(x):
    contains_double = False
    s = str(x)
    for i in range(len(s) - 1):
        if s[i] == s[i + 1]:
            contains_double = True
            break

    if not contains_double:
        return False

    for i in range(len(s) - 1):
        if ord(s[i]) > ord(s[i + 1]):
            return False
    return True


def in_range_2(x):
    contains_double = False
    s = str(x)
    for i in range(len(s) - 1):
        if s[i] == s[i + 1]:
            if i + 2 < len(s):
                if s[i + 2] == s[i + 1]:
                    continue
            if i - 1 >= 0:
                if s[i - 1] == s[i]:
                    continue
            contains_double = True

    if not contains_double:
        return False

    for i in range(len(s) - 1):
        if ord(s[i]) > ord(s[i + 1]):
            return False
    return True


def part_1(data):
    a, b = str_to_ints(data)
    b = -b
    r = 0
    for x in range(a, b + 1):
        if in_range_1(x):
            r += 1
    print(r)


def part_2(data):
    a, b = str_to_ints(data)
    b = -b
    r = 0
    for x in range(a, b + 1):
        if in_range_2(x):
            r += 1
    print(r)


def main():
    data = get_data(__file__)
    part_1(data)
    part_2(data)


if __name__ == "__main__":
    main()