import java.util.Scanner;

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

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

        int c = (h + (a - 1)) / a;
        System.out.println(c);

        /*
         * public void kiriage(int h, int a) { int c = (h + (a - 1)) / a;
         * System.out.println(c);
         */

    }

} import java.util.Scanner; Scanner java.util class Main{
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

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

        int c = (h + (a - 1)) / a;
        System.out.println(c);

        /*
         * public void kiriage(int h, int a) { int c = (h + (a - 1)) / a;
         * System.out.println(c);
         */

    }

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

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

        int c = (h + (a - 1)) / a;
        System.out.println(c);

        /*
         * public void kiriage(int h, int a) { int c = (h + (a - 1)) / a;
         * System.out.println(c);
         */

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

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

        int c = (h + (a - 1)) / a;
        System.out.println(c);

        /*
         * public void kiriage(int h, int a) { int c = (h + (a - 1)) / a;
         * System.out.println(c);
         */

    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int h = scanner.nextInt(); h scanner.nextInt() scanner.nextInt scanner int a = scanner.nextInt(); a scanner.nextInt() scanner.nextInt scanner int c = (h + (a - 1)) / a; c (h + (a - 1)) / a (h + (a - 1)) h (a - 1) a 1 a System.out.println(c) System.out.println System.out System System.out c String[] args args
import java.util.Scanner;

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

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

        int c = (h + (a - 1)) / a;
        System.out.println(c);

        /*
         * public void kiriage(int h, int a) { int c = (h + (a - 1)) / a;
         * System.out.println(c);
         */

    }

}
