import java.util.Scanner;

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

		while (H > 0) {
			H -= A;
			num += 1;
		}
		System.out.println(num);
		
		}
} import java.util.Scanner; Scanner 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 num = 0;

		while (H > 0) {
			H -= A;
			num += 1;
		}
		System.out.println(num);
		
		}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int num = 0;

		while (H > 0) {
			H -= A;
			num += 1;
		}
		System.out.println(num);
		
		} main {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int num = 0;

		while (H > 0) {
			H -= A;
			num += 1;
		}
		System.out.println(num);
		
		} 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 num = 0; num 0 while (H > 0) {
			H -= A;
			num += 1;
		} H > 0 H 0 {
			H -= A;
			num += 1;
		} H -= A H A num += 1 num 1 System.out.println(num) System.out.println System.out System System.out num 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 num = 0;

		while (H > 0) {
			H -= A;
			num += 1;
		}
		System.out.println(num);
		
		}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int num = 0;

		while (H > 0) {
			H -= A;
			num += 1;
		}
		System.out.println(num);
		
		}
} Main
import java.util.Scanner;

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

		while (H > 0) {
			H -= A;
			num += 1;
		}
		System.out.println(num);
		
		}
}
