

import java.util.Scanner;

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

		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();

		int result;
		if (h % a == 0)
			result = h / a;
		else
			result = h / a + 1;
		System.out.println(result);
	}

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

		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();

		int result;
		if (h % a == 0)
			result = h / a;
		else
			result = h / a + 1;
		System.out.println(result);
	}

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

		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();

		int result;
		if (h % a == 0)
			result = h / a;
		else
			result = h / a + 1;
		System.out.println(result);
	} main {

		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();

		int result;
		if (h % a == 0)
			result = h / a;
		else
			result = h / a + 1;
		System.out.println(result);
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int h = scan.nextInt(); h scan.nextInt() scan.nextInt scan int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int result; result if (h % a == 0)
			result = h / a;
		else
			result = h / a + 1; h % a == 0 h % a h a 0 result = h / a result h / a h a result = h / a + 1 result h / a + 1 h / a h a 1 System.out.println(result) System.out.println System.out System System.out result String[] args args public class Main {
	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();

		int result;
		if (h % a == 0)
			result = h / a;
		else
			result = h / a + 1;
		System.out.println(result);
	}

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

		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();

		int result;
		if (h % a == 0)
			result = h / a;
		else
			result = h / a + 1;
		System.out.println(result);
	}

} Main


import java.util.Scanner;

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

		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();

		int result;
		if (h % a == 0)
			result = h / a;
		else
			result = h / a + 1;
		System.out.println(result);
	}

}
