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 ans = 0;

		while (h > a * ++ans);
		System.out.println(ans);

		scan.close();
	}
} 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 ans = 0;

		while (h > a * ++ans);
		System.out.println(ans);

		scan.close();
	}
} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		int ans = 0;

		while (h > a * ++ans);
		System.out.println(ans);

		scan.close();
	} main {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		int ans = 0;

		while (h > a * ++ans);
		System.out.println(ans);

		scan.close();
	} 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 ans = 0; ans 0 while (h > a * ++ans); h > a * ++ans h a * ++ans a ++ans ans System.out.println(ans) System.out.println System.out System System.out ans scan.close() scan.close scan 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 ans = 0;

		while (h > a * ++ans);
		System.out.println(ans);

		scan.close();
	}
} public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		int ans = 0;

		while (h > a * ++ans);
		System.out.println(ans);

		scan.close();
	}
} 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 ans = 0;

		while (h > a * ++ans);
		System.out.println(ans);

		scan.close();
	}
}