import java.util.Scanner;

public class Main {

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

		int hp = sc.nextInt();
		int attack = sc.nextInt();

		int count = 0;

		count = hp / attack;

		if(hp % attack >= 1) {
			count++;
		}

		System.out.println(count);
	}

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

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

		int hp = sc.nextInt();
		int attack = sc.nextInt();

		int count = 0;

		count = hp / attack;

		if(hp % attack >= 1) {
			count++;
		}

		System.out.println(count);
	}

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

		int hp = sc.nextInt();
		int attack = sc.nextInt();

		int count = 0;

		count = hp / attack;

		if(hp % attack >= 1) {
			count++;
		}

		System.out.println(count);
	} main {
		Scanner sc = new Scanner(System.in);

		int hp = sc.nextInt();
		int attack = sc.nextInt();

		int count = 0;

		count = hp / attack;

		if(hp % attack >= 1) {
			count++;
		}

		System.out.println(count);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int hp = sc.nextInt(); hp sc.nextInt() sc.nextInt sc int attack = sc.nextInt(); attack sc.nextInt() sc.nextInt sc int count = 0; count 0 count = hp / attack count hp / attack hp attack if(hp % attack >= 1) {
			count++;
		} hp % attack >= 1 hp % attack hp attack 1 {
			count++;
		} count++ count System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {

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

		int hp = sc.nextInt();
		int attack = sc.nextInt();

		int count = 0;

		count = hp / attack;

		if(hp % attack >= 1) {
			count++;
		}

		System.out.println(count);
	}

} public class Main {

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

		int hp = sc.nextInt();
		int attack = sc.nextInt();

		int count = 0;

		count = hp / attack;

		if(hp % attack >= 1) {
			count++;
		}

		System.out.println(count);
	}

} Main
import java.util.Scanner;

public class Main {

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

		int hp = sc.nextInt();
		int attack = sc.nextInt();

		int count = 0;

		count = hp / attack;

		if(hp % attack >= 1) {
			count++;
		}

		System.out.println(count);
	}

}