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

t  = h * 3600 + m  * 60 + 30
st = 7 * 3600 + 30 * 60 + 0
et = 8 * 3600 + 30 * 60 + 0

if t < st:
    print("Yes")
elif st <= t and t <= et:
    print("Late")
else:
    print("No")