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();
		sc.close();

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

		System.out.println(result);
	}
} 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();
		sc.close();

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

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

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

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

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

		System.out.println(result);
	} 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 sc.close() sc.close sc int result = (int)Math.ceil((double)h / a); result (int)Math.ceil((double)h / a) Math.ceil Math (double)h / a (double)h a System.out.println(result) System.out.println System.out System System.out result 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();
		sc.close();

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

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

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

		System.out.println(result);
	}
} 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();
		sc.close();

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

		System.out.println(result);
	}
}
