import java.util.*;

public class Main {
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int a = in.nextInt();
        double frac = h/ (double) a;
        System.out.println((int) Math.ceil(frac));
    }
} import java.util.*; util.* java public class Main {
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int a = in.nextInt();
        double frac = h/ (double) a;
        System.out.println((int) Math.ceil(frac));
    }
} Main public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int a = in.nextInt();
        double frac = h/ (double) a;
        System.out.println((int) Math.ceil(frac));
    } main {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int a = in.nextInt();
        double frac = h/ (double) a;
        System.out.println((int) Math.ceil(frac));
    } Scanner in = new Scanner(System.in); in new Scanner(System.in) int h = in.nextInt(); h in.nextInt() in.nextInt in int a = in.nextInt(); a in.nextInt() in.nextInt in double frac = h/ (double) a; frac h/ (double) a h (double) a System.out.println((int) Math.ceil(frac)) System.out.println System.out System System.out (int) Math.ceil(frac) Math.ceil Math frac String args[] args public class Main {
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int a = in.nextInt();
        double frac = h/ (double) a;
        System.out.println((int) Math.ceil(frac));
    }
} public class Main {
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int a = in.nextInt();
        double frac = h/ (double) a;
        System.out.println((int) Math.ceil(frac));
    }
} Main
import java.util.*;

public class Main {
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int a = in.nextInt();
        double frac = h/ (double) a;
        System.out.println((int) Math.ceil(frac));
    }
}
