def fun(h, m):
    flg = None
    m = h * 60 + m
    S = 7 * 60 + 30
    E = 8 * 60 + 30

    if m < S:
        flg = True
    if m >= E:
        flg = False

    if flg:
        return "Yes"
    if flg is None:
        return "Late"
    else:
        return "No"


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