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    date_returned, month_return, year_return=input().split(" ")
    date_due, month_due, year_due=input().split(" ")
    
    date_returned, month_return, year_return = int(date_returned), int(month_return), int(year_return)
    date_due, month_due, year_due = int(date_due), int(month_due), int(year_due)
    
    if date_returned<= date_due and month_return<=month_due and year_return<=year_due:
        print(int(0))
    if date_returned> date_due and month_return>month_due and year_return<year_due:
        print(int(0))
    if date_returned> date_due and month_return<=month_due and year_return<=year_due:
        fine=int(15*(date_returned-date_due))
        print(fine)
    if month_return>month_due and year_return==year_due:
        fine = int((month_return-month_due)*500)
        print(fine)
    if year_return>year_due:
        print(int(10000))