import java.util.Scanner;

public class Main {

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

        final double H = sc.nextInt();
        final double A = sc.nextInt();

        System.out.println((int)Math.ceil(H / A));
    }
} import java.util.Scanner; Scanner java.util public class Main {

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

        final double H = sc.nextInt();
        final double A = sc.nextInt();

        System.out.println((int)Math.ceil(H / A));
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        final double H = sc.nextInt();
        final double A = sc.nextInt();

        System.out.println((int)Math.ceil(H / A));
    } main {
        Scanner sc = new Scanner(System.in);

        final double H = sc.nextInt();
        final double A = sc.nextInt();

        System.out.println((int)Math.ceil(H / A));
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) final double H = sc.nextInt(); H sc.nextInt() sc.nextInt sc final double A = sc.nextInt(); A sc.nextInt() sc.nextInt sc System.out.println((int)Math.ceil(H / A)) System.out.println System.out System System.out (int)Math.ceil(H / A) Math.ceil Math H / A H A String[] args args public class Main {

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

        final double H = sc.nextInt();
        final double A = sc.nextInt();

        System.out.println((int)Math.ceil(H / A));
    }
} public class Main {

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

        final double H = sc.nextInt();
        final double A = sc.nextInt();

        System.out.println((int)Math.ceil(H / A));
    }
} Main
import java.util.Scanner;

public class Main {

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

        final double H = sc.nextInt();
        final double A = sc.nextInt();

        System.out.println((int)Math.ceil(H / A));
    }
}
