import java.util.Scanner;
import java.lang.Math;
public class Main {
    public static void main(String[] args){
        Scanner scan=new Scanner(System.in);
        int h=scan.nextInt(),a=scan.nextInt(),total=0;
        while (h>0){
      		h-=a;
      		total+=1;}
      System.out.println(total);
        }
    }

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz