(function (f, fh)
	print(f(fh:read("*n"),fh:read("*n"),fh:read("*n")) and "Yes" or "No")
end)(function (y, m, d)
	if y<1989 or y>2019 then return false end
	if y==1989 and m==1 and d<8 then return false end
	if y==2019 and m>4 then return false end
	return true
end, io.stdin)