import java.lang.reflect.Array;
import java.util.*;
import java.io.*;
import java.lang.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int h = sc.nextInt();
        int a = sc.nextInt();

        if (h%a == 0)
            System.out.println(h/a);
        else
            System.out.println((h/a)+1);

    }
} import java.lang.reflect.Array; Array java.lang.reflect import java.util.*; util.* java import java.io.*; io.* java import java.lang.*; lang.* java public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int h = sc.nextInt();
        int a = sc.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 sc = new Scanner(System.in);

        int h = sc.nextInt();
        int a = sc.nextInt();

        if (h%a == 0)
            System.out.println(h/a);
        else
            System.out.println((h/a)+1);

    } main {
        Scanner sc = new Scanner(System.in);

        int h = sc.nextInt();
        int a = sc.nextInt();

        if (h%a == 0)
            System.out.println(h/a);
        else
            System.out.println((h/a)+1);

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = sc.nextInt(); h sc.nextInt() sc.nextInt sc int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc 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 System.out System System.out h/a h a 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 sc = new Scanner(System.in);

        int h = sc.nextInt();
        int a = sc.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 sc = new Scanner(System.in);

        int h = sc.nextInt();
        int a = sc.nextInt();

        if (h%a == 0)
            System.out.println(h/a);
        else
            System.out.println((h/a)+1);

    }
} Main
import java.lang.reflect.Array;
import java.util.*;
import java.io.*;
import java.lang.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int h = sc.nextInt();
        int a = sc.nextInt();

        if (h%a == 0)
            System.out.println(h/a);
        else
            System.out.println((h/a)+1);

    }
}
