import java.util.*;
import java.io.*;

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

        Scanner scan = new Scanner(System.in);
        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        
		int h = scan.nextInt();
		int a = scan.nextInt();
        
        out.println(h % a == 0 ? (h / a) : (h / a + 1));
        out.close();
        
    }
} import java.util.*; util.* java import java.io.*; io.* java public class Main {
    public static void main(String[] args) throws Exception {

        Scanner scan = new Scanner(System.in);
        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        
		int h = scan.nextInt();
		int a = scan.nextInt();
        
        out.println(h % a == 0 ? (h / a) : (h / a + 1));
        out.close();
        
    }
} Main public static void main(String[] args) throws Exception {

        Scanner scan = new Scanner(System.in);
        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        
		int h = scan.nextInt();
		int a = scan.nextInt();
        
        out.println(h % a == 0 ? (h / a) : (h / a + 1));
        out.close();
        
    } main {

        Scanner scan = new Scanner(System.in);
        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        
		int h = scan.nextInt();
		int a = scan.nextInt();
        
        out.println(h % a == 0 ? (h / a) : (h / a + 1));
        out.close();
        
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out)); out new PrintWriter(new OutputStreamWriter(System.out)) int h = scan.nextInt(); h scan.nextInt() scan.nextInt scan int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan out.println(h % a == 0 ? (h / a) : (h / a + 1)) out.println out h % a == 0 ? (h / a) : (h / a + 1) h % a == 0 h % a h a 0 (h / a) h a (h / a + 1) h / a h a 1 out.close() out.close out String[] args args public class Main {
    public static void main(String[] args) throws Exception {

        Scanner scan = new Scanner(System.in);
        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        
		int h = scan.nextInt();
		int a = scan.nextInt();
        
        out.println(h % a == 0 ? (h / a) : (h / a + 1));
        out.close();
        
    }
} public class Main {
    public static void main(String[] args) throws Exception {

        Scanner scan = new Scanner(System.in);
        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        
		int h = scan.nextInt();
		int a = scan.nextInt();
        
        out.println(h % a == 0 ? (h / a) : (h / a + 1));
        out.close();
        
    }
} Main
import java.util.*;
import java.io.*;

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

        Scanner scan = new Scanner(System.in);
        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
        
		int h = scan.nextInt();
		int a = scan.nextInt();
        
        out.println(h % a == 0 ? (h / a) : (h / a + 1));
        out.close();
        
    }
}