import java.util.Scanner;

public class Main {

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt(), a = sc.nextInt();
		System.out.println((h + a - 1) / a);
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt(), a = sc.nextInt();
		System.out.println((h + a - 1) / a);
	}
} Main public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt(), a = sc.nextInt();
		System.out.println((h + a - 1) / a);
	} main {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt(), a = sc.nextInt();
		System.out.println((h + a - 1) / a);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = sc.nextInt() h sc.nextInt() sc.nextInt sc a = sc.nextInt(); a sc.nextInt() sc.nextInt sc System.out.println((h + a - 1) / a) System.out.println System.out System System.out (h + a - 1) / a (h + a - 1) h + a h a 1 a String[] args args public class Main {

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt(), a = sc.nextInt();
		System.out.println((h + a - 1) / a);
	}
} public class Main {

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt(), a = sc.nextInt();
		System.out.println((h + a - 1) / a);
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt(), a = sc.nextInt();
		System.out.println((h + a - 1) / a);
	}
}
