import java.util.*;

 
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int count = 0;

		for(int i = 0; i < 10000; i ++){
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		}
		System.out.println(count + 1);
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int count = 0;

		for(int i = 0; i < 10000; i ++){
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		}
		System.out.println(count + 1);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int count = 0;

		for(int i = 0; i < 10000; i ++){
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		}
		System.out.println(count + 1);
	} main {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int count = 0;

		for(int i = 0; i < 10000; i ++){
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		}
		System.out.println(count + 1);
	} 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 for(int i = 0; i < 10000; i ++){
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		} int i = 0; int i = 0; i 0 i < 10000 i 10000 i ++ i ++ i {
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		} {
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		} H -= A H A if(H <= 0){
				break;
			} H <= 0 H 0 {
				break;
			} break; count ++ count System.out.println(count + 1) System.out.println System.out System System.out count + 1 count 1 String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int count = 0;

		for(int i = 0; i < 10000; i ++){
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		}
		System.out.println(count + 1);
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int count = 0;

		for(int i = 0; i < 10000; i ++){
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		}
		System.out.println(count + 1);
	}
} Main
import java.util.*;

 
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int count = 0;

		for(int i = 0; i < 10000; i ++){
			H -= A;
			if(H <= 0){
				break;
			}
			count ++;
		}
		System.out.println(count + 1);
	}
}