import 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 = H/A;
		if (H%A>0) {
			ans++;
		}
		System.out.print(ans);
	}

} import java.util.*; util.* java 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 = H/A;
		if (H%A>0) {
			ans++;
		}
		System.out.print(ans);
	}

} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int H = scan.nextInt();
		int A = scan.nextInt();
		
		int ans = H/A;
		if (H%A>0) {
			ans++;
		}
		System.out.print(ans);
	} main {
		Scanner scan = new Scanner(System.in);
		int H = scan.nextInt();
		int A = scan.nextInt();
		
		int ans = H/A;
		if (H%A>0) {
			ans++;
		}
		System.out.print(ans);
	} 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 = H/A; ans H/A H A if (H%A>0) {
			ans++;
		} H%A>0 H%A H A 0 {
			ans++;
		} ans++ ans System.out.print(ans) System.out.print System.out System System.out ans 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 = H/A;
		if (H%A>0) {
			ans++;
		}
		System.out.print(ans);
	}

} 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 = H/A;
		if (H%A>0) {
			ans++;
		}
		System.out.print(ans);
	}

} Main
import 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 = H/A;
		if (H%A>0) {
			ans++;
		}
		System.out.print(ans);
	}

}