import java.util.Scanner;

public class Main {
	public static void main(String[] args) {

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

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		}
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {

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

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		}
	}
} Main public static void main(String[] args) {

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

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		}
	} main {

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

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		}
	} try (Scanner sc = new Scanner(System.in)) {
			int h = sc.nextInt();
			int a = sc.nextInt();

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		} {
			int h = sc.nextInt();
			int a = sc.nextInt();

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		} Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) 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 r = 0; r 0 if (h % a > 0) {
				r++;
			} h % a > 0 h % a h a 0 {
				r++;
			} r++ r System.out.println(h / a + r) System.out.println System.out System System.out h / a + r h / a h a r String[] args args public class Main {
	public static void main(String[] args) {

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

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		}
	}
} public class Main {
	public static void main(String[] args) {

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

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		}
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {

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

			int r = 0;
			if (h % a > 0) {
				r++;
			}
			System.out.println(h / a + r);
		}
	}
}
