import java.util.Scanner;

public class Main{

     public static void main(String []args){
 
		Scanner scan = new Scanner(System.in);
		String[] strArray = scan.nextLine().split(" ");

        int H = Integer.parseInt(strArray[0]);
        int A = Integer.parseInt(strArray[1]);
        int lastCount = 0;
        
        for (int i = 1; H > 0; i++) {
            H = H - A;
            lastCount = i;
        }

        System.out.println(lastCount);

     }
} import java.util.Scanner; Scanner java.util public class Main{

     public static void main(String []args){
 
		Scanner scan = new Scanner(System.in);
		String[] strArray = scan.nextLine().split(" ");

        int H = Integer.parseInt(strArray[0]);
        int A = Integer.parseInt(strArray[1]);
        int lastCount = 0;
        
        for (int i = 1; H > 0; i++) {
            H = H - A;
            lastCount = i;
        }

        System.out.println(lastCount);

     }
} Main public static void main(String []args){
 
		Scanner scan = new Scanner(System.in);
		String[] strArray = scan.nextLine().split(" ");

        int H = Integer.parseInt(strArray[0]);
        int A = Integer.parseInt(strArray[1]);
        int lastCount = 0;
        
        for (int i = 1; H > 0; i++) {
            H = H - A;
            lastCount = i;
        }

        System.out.println(lastCount);

     } main {
 
		Scanner scan = new Scanner(System.in);
		String[] strArray = scan.nextLine().split(" ");

        int H = Integer.parseInt(strArray[0]);
        int A = Integer.parseInt(strArray[1]);
        int lastCount = 0;
        
        for (int i = 1; H > 0; i++) {
            H = H - A;
            lastCount = i;
        }

        System.out.println(lastCount);

     } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String[] strArray = scan.nextLine().split(" "); strArray scan.nextLine().split(" ") scan.nextLine().split scan.nextLine() scan.nextLine scan " " int H = Integer.parseInt(strArray[0]); H Integer.parseInt(strArray[0]) Integer.parseInt Integer strArray[0] strArray 0 int A = Integer.parseInt(strArray[1]); A Integer.parseInt(strArray[1]) Integer.parseInt Integer strArray[1] strArray 1 int lastCount = 0; lastCount 0 for (int i = 1; H > 0; i++) {
            H = H - A;
            lastCount = i;
        } int i = 1; int i = 1; i 1 H > 0 H 0 i++ i++ i {
            H = H - A;
            lastCount = i;
        } {
            H = H - A;
            lastCount = i;
        } H = H - A H H - A H A lastCount = i lastCount i System.out.println(lastCount) System.out.println System.out System System.out lastCount String []args args public class Main{

     public static void main(String []args){
 
		Scanner scan = new Scanner(System.in);
		String[] strArray = scan.nextLine().split(" ");

        int H = Integer.parseInt(strArray[0]);
        int A = Integer.parseInt(strArray[1]);
        int lastCount = 0;
        
        for (int i = 1; H > 0; i++) {
            H = H - A;
            lastCount = i;
        }

        System.out.println(lastCount);

     }
} public class Main{

     public static void main(String []args){
 
		Scanner scan = new Scanner(System.in);
		String[] strArray = scan.nextLine().split(" ");

        int H = Integer.parseInt(strArray[0]);
        int A = Integer.parseInt(strArray[1]);
        int lastCount = 0;
        
        for (int i = 1; H > 0; i++) {
            H = H - A;
            lastCount = i;
        }

        System.out.println(lastCount);

     }
} Main
import java.util.Scanner;

public class Main{

     public static void main(String []args){
 
		Scanner scan = new Scanner(System.in);
		String[] strArray = scan.nextLine().split(" ");

        int H = Integer.parseInt(strArray[0]);
        int A = Integer.parseInt(strArray[1]);
        int lastCount = 0;
        
        for (int i = 1; H > 0; i++) {
            H = H - A;
            lastCount = i;
        }

        System.out.println(lastCount);

     }
}
