import java.util.Scanner;

public class Main {

    public static void main(String args[]) {

        Scanner sc = new Scanner(System.in);
        double h = Double.parseDouble(sc.next());
        double a = Double.parseDouble(sc.next());

        int result = (int)Math.ceil(h / a);
        System.out.println(result);

        sc.close();
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String args[]) {

        Scanner sc = new Scanner(System.in);
        double h = Double.parseDouble(sc.next());
        double a = Double.parseDouble(sc.next());

        int result = (int)Math.ceil(h / a);
        System.out.println(result);

        sc.close();
    }
} Main public static void main(String args[]) {

        Scanner sc = new Scanner(System.in);
        double h = Double.parseDouble(sc.next());
        double a = Double.parseDouble(sc.next());

        int result = (int)Math.ceil(h / a);
        System.out.println(result);

        sc.close();
    } main {

        Scanner sc = new Scanner(System.in);
        double h = Double.parseDouble(sc.next());
        double a = Double.parseDouble(sc.next());

        int result = (int)Math.ceil(h / a);
        System.out.println(result);

        sc.close();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) double h = Double.parseDouble(sc.next()); h Double.parseDouble(sc.next()) Double.parseDouble Double sc.next() sc.next sc double a = Double.parseDouble(sc.next()); a Double.parseDouble(sc.next()) Double.parseDouble Double sc.next() sc.next sc int result = (int)Math.ceil(h / a); result (int)Math.ceil(h / a) Math.ceil Math h / a h a System.out.println(result) System.out.println System.out System System.out result sc.close() sc.close sc String args[] args public class Main {

    public static void main(String args[]) {

        Scanner sc = new Scanner(System.in);
        double h = Double.parseDouble(sc.next());
        double a = Double.parseDouble(sc.next());

        int result = (int)Math.ceil(h / a);
        System.out.println(result);

        sc.close();
    }
} public class Main {

    public static void main(String args[]) {

        Scanner sc = new Scanner(System.in);
        double h = Double.parseDouble(sc.next());
        double a = Double.parseDouble(sc.next());

        int result = (int)Math.ceil(h / a);
        System.out.println(result);

        sc.close();
    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String args[]) {

        Scanner sc = new Scanner(System.in);
        double h = Double.parseDouble(sc.next());
        double a = Double.parseDouble(sc.next());

        int result = (int)Math.ceil(h / a);
        System.out.println(result);

        sc.close();
    }
}
