
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();
        int count = 0;
        while(H>0)
        {
            H=H-A;
            count++;
        }

        System.out.println(count);


    }


 }









 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();
        int count = 0;
        while(H>0)
        {
            H=H-A;
            count++;
        }

        System.out.println(count);


    }


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

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        int count = 0;
        while(H>0)
        {
            H=H-A;
            count++;
        }

        System.out.println(count);


    } main {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        int count = 0;
        while(H>0)
        {
            H=H-A;
            count++;
        }

        System.out.println(count);


    } 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 int count = 0; count 0 while(H>0)
        {
            H=H-A;
            count++;
        } H>0 H 0 {
            H=H-A;
            count++;
        } H=H-A H H-A H A count++ count System.out.println(count) System.out.println System.out System System.out count 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();
        int count = 0;
        while(H>0)
        {
            H=H-A;
            count++;
        }

        System.out.println(count);


    }


 } public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int H = in.nextInt();
        int A = in.nextInt();
        int count = 0;
        while(H>0)
        {
            H=H-A;
            count++;
        }

        System.out.println(count);


    }


 } 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();
        int count = 0;
        while(H>0)
        {
            H=H-A;
            count++;
        }

        System.out.println(count);


    }


 }










