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 waru = H / A;
		int amari = H % A;
		if (amari != 0) {
			int kasan = waru + 1;
			waru = kasan;
		}
		System.out.println(waru);
		sc.close();
	}
} 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 waru = H / A;
		int amari = H % A;
		if (amari != 0) {
			int kasan = waru + 1;
			waru = kasan;
		}
		System.out.println(waru);
		sc.close();
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int waru = H / A;
		int amari = H % A;
		if (amari != 0) {
			int kasan = waru + 1;
			waru = kasan;
		}
		System.out.println(waru);
		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int waru = H / A;
		int amari = H % A;
		if (amari != 0) {
			int kasan = waru + 1;
			waru = kasan;
		}
		System.out.println(waru);
		sc.close();
	} 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 waru = H / A; waru H / A H A int amari = H % A; amari H % A H A if (amari != 0) {
			int kasan = waru + 1;
			waru = kasan;
		} amari != 0 amari 0 {
			int kasan = waru + 1;
			waru = kasan;
		} int kasan = waru + 1; kasan waru + 1 waru 1 waru = kasan waru kasan System.out.println(waru) System.out.println System.out System System.out waru sc.close() sc.close sc 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 waru = H / A;
		int amari = H % A;
		if (amari != 0) {
			int kasan = waru + 1;
			waru = kasan;
		}
		System.out.println(waru);
		sc.close();
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int waru = H / A;
		int amari = H % A;
		if (amari != 0) {
			int kasan = waru + 1;
			waru = kasan;
		}
		System.out.println(waru);
		sc.close();
	}
} 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 waru = H / A;
		int amari = H % A;
		if (amari != 0) {
			int kasan = waru + 1;
			waru = kasan;
		}
		System.out.println(waru);
		sc.close();
	}
}