A library calculates a fine based on how late a book was returned. The function library_fine receives the actual return date d1, m1, y1 and the expected due date d2, m2, y2. If the book was returned on time or early, the fine is 0; if it was late in the same month and year, charge 15 per late day; if it was late in the same year, charge 500 per late month; if it was returned in a later year, charge 10000. Return the final fine.

def library_fine(d1: int, m1: int, y1: int, d2: int, m2: int, y2: int) -> int: