object Main extends App{
  import scala.io.StdIn.readLine
  import scala.io.StdIn.readInt
  
  val n = readInt
  val dx = readLine.split(" ").map(_.toInt)
  
  val cookies = (1 to n).map(x => readInt).map(a => ((dx(0) - 1) / a) + 1)
  println((cookies.sum + dx(1)).toString)
}
