from datetime import datetime


H, M = map(int, input().split())

d = datetime(2014, 1, 1, hour=H, minute=M)
s = datetime(2014, 1, 1, 7, 30)
e = datetime(2014, 1, 1, 8, 30)

if d < s:
    print("Yes")
elif d < e:
    print("Late")
else:
    print("No")