import java.util.Scanner

fun main(args: Array<String>){
    val scanner = Scanner(System.`in`)
    val sa = scanner.next()
    val sb = scanner.next()
    val a = Integer.parseInt(sa)
    val b = Integer.parseInt(sb)
    val c = a/b
    if(a%b == 0){
        println(c)
    } else {
        println(c + 1)
    }
}