import scala.io.StdIn.readLine

object SampleLauncher {
  def main(args: Array[String]): Unit = {
    val ymd = readLine().split(" ").map(_.toInt)

    (ymd(0),ymd(1), ymd(2)) match {
      case (y,m,d) if y == 1989 && m >= 1 && d >= 8 => println("Yes")
      case (y,m,d) if y == 2019 && m <= 4 && d <= 30 => println("Yes")
      case (y,_,_) if 1990 <= y && y <= 2018 => println("Yes")
      case (_,_,_)  => println("No")
    }
  }
}