import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();
		int count = 0;

		if (h % a == 0) {
			count = h / a;
		} else {
			count = h / a + 1;
		}
		System.out.println(count);

		sc.close();

	}

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

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();
		int count = 0;

		if (h % a == 0) {
			count = h / a;
		} else {
			count = h / a + 1;
		}
		System.out.println(count);

		sc.close();

	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();
		int count = 0;

		if (h % a == 0) {
			count = h / a;
		} else {
			count = h / a + 1;
		}
		System.out.println(count);

		sc.close();

	} main {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();
		int count = 0;

		if (h % a == 0) {
			count = h / a;
		} else {
			count = h / a + 1;
		}
		System.out.println(count);

		sc.close();

	} 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 count = 0; count 0 if (h % a == 0) {
			count = h / a;
		} else {
			count = h / a + 1;
		} h % a == 0 h % a h a 0 {
			count = h / a;
		} count = h / a count h / a h a {
			count = h / a + 1;
		} count = h / a + 1 count h / a + 1 h / a h a 1 System.out.println(count) System.out.println System.out System System.out count sc.close() sc.close sc String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();
		int count = 0;

		if (h % a == 0) {
			count = h / a;
		} else {
			count = h / a + 1;
		}
		System.out.println(count);

		sc.close();

	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();
		int count = 0;

		if (h % a == 0) {
			count = h / a;
		} else {
			count = h / a + 1;
		}
		System.out.println(count);

		sc.close();

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();
		int count = 0;

		if (h % a == 0) {
			count = h / a;
		} else {
			count = h / a + 1;
		}
		System.out.println(count);

		sc.close();

	}

}
