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

import static java.lang.Character.isUpperCase;

public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        if(H%A==0)
        {
            System.out.println(H/A);
        }
        else
            {
                System.out.println(H/A+1);
            }


    }


 }









 import java.util.*; util.* java import java.io.*; io.* java import static java.lang.Character.isUpperCase; import static java.lang.Character.isUpperCase; import static java.lang.Character.isUpperCase; public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        if(H%A==0)
        {
            System.out.println(H/A);
        }
        else
            {
                System.out.println(H/A+1);
            }


    }


 } Main public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        if(H%A==0)
        {
            System.out.println(H/A);
        }
        else
            {
                System.out.println(H/A+1);
            }


    } main {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        if(H%A==0)
        {
            System.out.println(H/A);
        }
        else
            {
                System.out.println(H/A+1);
            }


    } Scanner in = new Scanner(System.in); in new Scanner(System.in) int H = in.nextInt(); H in.nextInt() in.nextInt in int A = in.nextInt(); A in.nextInt() in.nextInt in if(H%A==0)
        {
            System.out.println(H/A);
        }
        else
            {
                System.out.println(H/A+1);
            } H%A==0 H%A H A 0 {
            System.out.println(H/A);
        } System.out.println(H/A) System.out.println System.out System System.out H/A H A {
                System.out.println(H/A+1);
            } System.out.println(H/A+1) System.out.println System.out System System.out H/A+1 H/A H A 1 String[] args args public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        if(H%A==0)
        {
            System.out.println(H/A);
        }
        else
            {
                System.out.println(H/A+1);
            }


    }


 } public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        if(H%A==0)
        {
            System.out.println(H/A);
        }
        else
            {
                System.out.println(H/A+1);
            }


    }


 } Main

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

import static java.lang.Character.isUpperCase;

public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        if(H%A==0)
        {
            System.out.println(H/A);
        }
        else
            {
                System.out.println(H/A+1);
            }


    }


 }










