# -*- coding: utf-8 -*-

y,m,d = map(int,input().split())

isHeisei = True

if y < 1989 or y > 2019:
    isHeisei = False

if y == 1989 and m == 1 and d < 8:
    isHeisei = False

if y == 2019 and m > 4:
    isHeisei = False

if isHeisei:
    print("Yes")
else:
    print("No")