Y, M, D = map(int, raw_input().split())
if Y < 1989 or 2019 < Y: print "No"
elif Y == 1989:
	if M == 1:
		if D < 8: print "No"
		else: print "Yes"
	else:
		print "Yes"
elif Y == 2019:
	if M > 4: print "No"
	else: print "Yes"
else: print "Yes"