import sys
sys.setrecursionlimit(5*10**5)
input = sys.stdin.readline
from collections import defaultdict, deque, Counter
from heapq import heappop, heappush
from bisect import bisect_left, bisect_right
from math import gcd

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

s = 7*60+30
t = s + 60

x = n*60+m+0.5
if x < s:
    print('Yes')
elif s<= x <= t:
    print('Late')
else:
    print('No')