import java.util.Scanner;

public class Main {

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

		int ans = (int)Math.ceil((double)h/a);

		System.out.println(ans);

		return;

	}

}
 import java.util.Scanner; Scanner java.util public class Main {

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

		int ans = (int)Math.ceil((double)h/a);

		System.out.println(ans);

		return;

	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();

		int ans = (int)Math.ceil((double)h/a);

		System.out.println(ans);

		return;

	} main {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();

		int ans = (int)Math.ceil((double)h/a);

		System.out.println(ans);

		return;

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

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

		int ans = (int)Math.ceil((double)h/a);

		System.out.println(ans);

		return;

	}

} public class Main {

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

		int ans = (int)Math.ceil((double)h/a);

		System.out.println(ans);

		return;

	}

} Main
import java.util.Scanner;

public class Main {

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

		int ans = (int)Math.ceil((double)h/a);

		System.out.println(ans);

		return;

	}

}

