
  
  /*package whatever //do not write package name here */

import java.io.*;
import java.util.*;

public class Main {
	public static void main (String[] args) {
        Scanner sc=new Scanner(System.in);
        int h,a;
        h=sc.nextInt();
        a=sc.nextInt();
        int y=h/a;
        if(y*a==h)
        {
            System.out.println(y);
        }else
        {
            System.out.println(y+1);
        }
        
        
	}
}
/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