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 ans = 0;

		while(h > 0) {
			h -= a;
			ans++;
		}

		System.out.println(ans);
	}

} 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 ans = 0;

		while(h > 0) {
			h -= a;
			ans++;
		}

		System.out.println(ans);
	}

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

		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int ans = 0;

		while(h > 0) {
			h -= a;
			ans++;
		}

		System.out.println(ans);
	} main {

		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int ans = 0;

		while(h > 0) {
			h -= a;
			ans++;
		}

		System.out.println(ans);
	} 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 ans = 0; ans 0 while(h > 0) {
			h -= a;
			ans++;
		} h > 0 h 0 {
			h -= a;
			ans++;
		} h -= a h a ans++ ans System.out.println(ans) System.out.println System.out System System.out ans 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 ans = 0;

		while(h > 0) {
			h -= a;
			ans++;
		}

		System.out.println(ans);
	}

} public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int ans = 0;

		while(h > 0) {
			h -= a;
			ans++;
		}

		System.out.println(ans);
	}

} 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 ans = 0;

		while(h > 0) {
			h -= a;
			ans++;
		}

		System.out.println(ans);
	}

}
