from dateutil.relativedelta import relativedelta
import datetime as dt


def fun(y, m, d):
    a = dt.date(2000, 8, 22)
    b = dt.date(y, m, d)
    res = b.year - a.year
    if b < (a + relativedelta(year=b.year)):
        res -= 1
    return res


m, d = map(int, input().split())
print(fun(2024, m, d))