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 < dt.date(b.year, a.month, a.day):
        res -= 1
    return res


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