def judge_wakeup_time(H, M):
    wakeup_time = H * 60 + M + 30
    start_time = 7 * 60 + 30
    end_time = 8 * 60 + 30

    if wakeup_time < start_time:
        return "Yes"
    elif start_time <= wakeup_time <= end_time:
        return "Late"
    else:
        return "No"


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

result = judge_wakeup_time(H, M)
print(result)