import java.util.Scanner;
public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int health = sc.nextInt();
		int attack = sc.nextInt();
		sc.close();
		if(health%attack == 0) {
			System.out.println(health/attack);
		}else {
		System.out.println(health/attack+1);
		}
	}
	}

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

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int health = sc.nextInt();
		int attack = sc.nextInt();
		sc.close();
		if(health%attack == 0) {
			System.out.println(health/attack);
		}else {
		System.out.println(health/attack+1);
		}
	}
	} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int health = sc.nextInt();
		int attack = sc.nextInt();
		sc.close();
		if(health%attack == 0) {
			System.out.println(health/attack);
		}else {
		System.out.println(health/attack+1);
		}
	} main {
		Scanner sc = new Scanner(System.in);
		int health = sc.nextInt();
		int attack = sc.nextInt();
		sc.close();
		if(health%attack == 0) {
			System.out.println(health/attack);
		}else {
		System.out.println(health/attack+1);
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int health = sc.nextInt(); health sc.nextInt() sc.nextInt sc int attack = sc.nextInt(); attack sc.nextInt() sc.nextInt sc sc.close() sc.close sc if(health%attack == 0) {
			System.out.println(health/attack);
		}else {
		System.out.println(health/attack+1);
		} health%attack == 0 health%attack health attack 0 {
			System.out.println(health/attack);
		} System.out.println(health/attack) System.out.println System.out System System.out health/attack health attack {
		System.out.println(health/attack+1);
		} System.out.println(health/attack+1) System.out.println System.out System System.out health/attack+1 health/attack health attack 1 String[] args args public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int health = sc.nextInt();
		int attack = sc.nextInt();
		sc.close();
		if(health%attack == 0) {
			System.out.println(health/attack);
		}else {
		System.out.println(health/attack+1);
		}
	}
	} public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int health = sc.nextInt();
		int attack = sc.nextInt();
		sc.close();
		if(health%attack == 0) {
			System.out.println(health/attack);
		}else {
		System.out.println(health/attack+1);
		}
	}
	} Main
import java.util.Scanner;
public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int health = sc.nextInt();
		int attack = sc.nextInt();
		sc.close();
		if(health%attack == 0) {
			System.out.println(health/attack);
		}else {
		System.out.println(health/attack+1);
		}
	}
	}


