import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

            Scanner sc = new Scanner (System.in);

            int HP;
            int attack;
            int need;

            HP = sc.nextInt();
            attack = sc.nextInt();

            need = (HP + attack -1) / attack;

            if(need == 0) {
                System.out.println(1);
            }
            else if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            }

        }
    } import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {

            Scanner sc = new Scanner (System.in);

            int HP;
            int attack;
            int need;

            HP = sc.nextInt();
            attack = sc.nextInt();

            need = (HP + attack -1) / attack;

            if(need == 0) {
                System.out.println(1);
            }
            else if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            }

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

            Scanner sc = new Scanner (System.in);

            int HP;
            int attack;
            int need;

            HP = sc.nextInt();
            attack = sc.nextInt();

            need = (HP + attack -1) / attack;

            if(need == 0) {
                System.out.println(1);
            }
            else if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            }

        } main {

            Scanner sc = new Scanner (System.in);

            int HP;
            int attack;
            int need;

            HP = sc.nextInt();
            attack = sc.nextInt();

            need = (HP + attack -1) / attack;

            if(need == 0) {
                System.out.println(1);
            }
            else if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            }

        } Scanner sc = new Scanner (System.in); sc new Scanner (System.in) int HP; HP int attack; attack int need; need HP = sc.nextInt() HP sc.nextInt() sc.nextInt sc attack = sc.nextInt() attack sc.nextInt() sc.nextInt sc need = (HP + attack -1) / attack need (HP + attack -1) / attack (HP + attack -1) HP + attack HP attack 1 attack if(need == 0) {
                System.out.println(1);
            }
            else if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            } need == 0 need 0 {
                System.out.println(1);
            } System.out.println(1) System.out.println System.out System System.out 1 if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            } HP == attack HP attack {
                System.out.println(1);
            } System.out.println(1) System.out.println System.out System System.out 1 {
                System.out.println(need);
            } System.out.println(need) System.out.println System.out System System.out need String[] args args public class Main {

    public static void main(String[] args) {

            Scanner sc = new Scanner (System.in);

            int HP;
            int attack;
            int need;

            HP = sc.nextInt();
            attack = sc.nextInt();

            need = (HP + attack -1) / attack;

            if(need == 0) {
                System.out.println(1);
            }
            else if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            }

        }
    } public class Main {

    public static void main(String[] args) {

            Scanner sc = new Scanner (System.in);

            int HP;
            int attack;
            int need;

            HP = sc.nextInt();
            attack = sc.nextInt();

            need = (HP + attack -1) / attack;

            if(need == 0) {
                System.out.println(1);
            }
            else if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            }

        }
    } Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

            Scanner sc = new Scanner (System.in);

            int HP;
            int attack;
            int need;

            HP = sc.nextInt();
            attack = sc.nextInt();

            need = (HP + attack -1) / attack;

            if(need == 0) {
                System.out.println(1);
            }
            else if ( HP == attack){
                System.out.println(1);
            }
            else {
                System.out.println(need);
            }

        }
    }