fun main(args: Array<String>){
    val n = readLine()!!.toInt()
    val temp=readLine()!!.split(" ")
    val d = temp[0].toInt()-1
    val x = temp[1].toInt()
    val a=IntArray(n,{i: Int -> readLine()!!.toInt()})
    print(a.map{item:Int -> d/item+1}.sum()+x)
}