import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int atk = Integer.parseInt(sc.next());
        int count = 0;
        while (hp > 0) {
            hp -= atk;
            count++;
        }
        System.out.println(count);
        sc.close();
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int atk = Integer.parseInt(sc.next());
        int count = 0;
        while (hp > 0) {
            hp -= atk;
            count++;
        }
        System.out.println(count);
        sc.close();
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int atk = Integer.parseInt(sc.next());
        int count = 0;
        while (hp > 0) {
            hp -= atk;
            count++;
        }
        System.out.println(count);
        sc.close();
    } main {
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int atk = Integer.parseInt(sc.next());
        int count = 0;
        while (hp > 0) {
            hp -= atk;
            count++;
        }
        System.out.println(count);
        sc.close();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int hp = Integer.parseInt(sc.next()); hp Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int atk = Integer.parseInt(sc.next()); atk Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int count = 0; count 0 while (hp > 0) {
            hp -= atk;
            count++;
        } hp > 0 hp 0 {
            hp -= atk;
            count++;
        } hp -= atk hp atk count++ count System.out.println(count) System.out.println System.out System System.out count sc.close() sc.close sc String[] args args public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int atk = Integer.parseInt(sc.next());
        int count = 0;
        while (hp > 0) {
            hp -= atk;
            count++;
        }
        System.out.println(count);
        sc.close();
    }
} public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int atk = Integer.parseInt(sc.next());
        int count = 0;
        while (hp > 0) {
            hp -= atk;
            count++;
        }
        System.out.println(count);
        sc.close();
    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int atk = Integer.parseInt(sc.next());
        int count = 0;
        while (hp > 0) {
            hp -= atk;
            count++;
        }
        System.out.println(count);
        sc.close();
    }
}
