H,M = map(int,input().split()) #print(24*60*60) for i in range(7): for j in range(60): if i == H and j == M: print("Yes") exit() if H == 7: for j in range(30): if j == M: print("Yes") exit() if H == 7: for j in range(30,60): if j == M: print("Late") exit() if H == 8: for j in range(30): if j == M: print("Late") exit() print("No")