object Main {
	def main(A:Array[String])={
		val s = new java.util.Scanner(System.in)
		val c=Ordering[(Int,Int,Int)]
		val d=(s.nextInt,s.nextInt,s.nextInt)
		println(if(c.lt((1989,1,7),d)&&c.lt(d,(2019,5,1))) "Yes" else "No")
	}
}