import java.io.FileNotFoundException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int H = sc.nextInt();
		int A = sc.nextInt();

		if(H%A==0) {
			System.out.println(H/A);
		} else {
			System.out.println(H/A+1);
		}

	}
} import java.io.FileNotFoundException; FileNotFoundException java.io import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int H = sc.nextInt();
		int A = sc.nextInt();

		if(H%A==0) {
			System.out.println(H/A);
		} else {
			System.out.println(H/A+1);
		}

	}
} Main public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int H = sc.nextInt();
		int A = sc.nextInt();

		if(H%A==0) {
			System.out.println(H/A);
		} else {
			System.out.println(H/A+1);
		}

	} main {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int H = sc.nextInt();
		int A = sc.nextInt();

		if(H%A==0) {
			System.out.println(H/A);
		} else {
			System.out.println(H/A+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 if(H%A==0) {
			System.out.println(H/A);
		} else {
			System.out.println(H/A+1);
		} H%A==0 H%A H A 0 {
			System.out.println(H/A);
		} System.out.println(H/A) System.out.println System.out System System.out H/A H A {
			System.out.println(H/A+1);
		} System.out.println(H/A+1) System.out.println System.out System System.out H/A+1 H/A H A 1 String[] args args public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int H = sc.nextInt();
		int A = sc.nextInt();

		if(H%A==0) {
			System.out.println(H/A);
		} else {
			System.out.println(H/A+1);
		}

	}
} public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int H = sc.nextInt();
		int A = sc.nextInt();

		if(H%A==0) {
			System.out.println(H/A);
		} else {
			System.out.println(H/A+1);
		}

	}
} Main
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int H = sc.nextInt();
		int A = sc.nextInt();

		if(H%A==0) {
			System.out.println(H/A);
		} else {
			System.out.println(H/A+1);
		}

	}
}
