import java.util.Scanner;
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int ct = 0;
		int hp = sc.nextInt();
		int at = sc.nextInt();
		while(hp > 0){
			hp -= at;
			ct ++;
		}
		System.out.println(ct);
	}

} import java.util.Scanner; Scanner java.util public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int ct = 0;
		int hp = sc.nextInt();
		int at = sc.nextInt();
		while(hp > 0){
			hp -= at;
			ct ++;
		}
		System.out.println(ct);
	}

} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int ct = 0;
		int hp = sc.nextInt();
		int at = sc.nextInt();
		while(hp > 0){
			hp -= at;
			ct ++;
		}
		System.out.println(ct);
	} main {
		Scanner sc = new Scanner(System.in);
		int ct = 0;
		int hp = sc.nextInt();
		int at = sc.nextInt();
		while(hp > 0){
			hp -= at;
			ct ++;
		}
		System.out.println(ct);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int ct = 0; ct 0 int hp = sc.nextInt(); hp sc.nextInt() sc.nextInt sc int at = sc.nextInt(); at sc.nextInt() sc.nextInt sc while(hp > 0){
			hp -= at;
			ct ++;
		} hp > 0 hp 0 {
			hp -= at;
			ct ++;
		} hp -= at hp at ct ++ ct System.out.println(ct) System.out.println System.out System System.out ct String[] args args public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int ct = 0;
		int hp = sc.nextInt();
		int at = sc.nextInt();
		while(hp > 0){
			hp -= at;
			ct ++;
		}
		System.out.println(ct);
	}

} public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int ct = 0;
		int hp = sc.nextInt();
		int at = sc.nextInt();
		while(hp > 0){
			hp -= at;
			ct ++;
		}
		System.out.println(ct);
	}

} Main
import java.util.Scanner;
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int ct = 0;
		int hp = sc.nextInt();
		int at = sc.nextInt();
		while(hp > 0){
			hp -= at;
			ct ++;
		}
		System.out.println(ct);
	}

}