import java.util.*;
import static java.lang.System.*;
import java.io.*;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int h = sc.nextInt();
		int a = sc.nextInt();
		
		int ans = h / a;
		if (h % a != 0) ans++;
		out.println(ans);

		out.close();
	}
} import java.util.*; util.* java import static java.lang.System.*; import static java.lang.System.*; import static java.lang.System.*; import java.io.*; io.* java public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int h = sc.nextInt();
		int a = sc.nextInt();
		
		int ans = h / a;
		if (h % a != 0) ans++;
		out.println(ans);

		out.close();
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int h = sc.nextInt();
		int a = sc.nextInt();
		
		int ans = h / a;
		if (h % a != 0) ans++;
		out.println(ans);

		out.close();
	} main {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int h = sc.nextInt();
		int a = sc.nextInt();
		
		int ans = h / a;
		if (h % a != 0) ans++;
		out.println(ans);

		out.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) int h = sc.nextInt(); h sc.nextInt() sc.nextInt sc int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int ans = h / a; ans h / a h a if (h % a != 0) ans++; h % a != 0 h % a h a 0 ans++ ans out.println(ans) out.println out ans out.close() out.close out String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int h = sc.nextInt();
		int a = sc.nextInt();
		
		int ans = h / a;
		if (h % a != 0) ans++;
		out.println(ans);

		out.close();
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int h = sc.nextInt();
		int a = sc.nextInt();
		
		int ans = h / a;
		if (h % a != 0) ans++;
		out.println(ans);

		out.close();
	}
} Main
import java.util.*;
import static java.lang.System.*;
import java.io.*;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int h = sc.nextInt();
		int a = sc.nextInt();
		
		int ans = h / a;
		if (h % a != 0) ans++;
		out.println(ans);

		out.close();
	}
}