import java.util.*;

class Main{

    public static void main(String args[]) throws Exception{
        Main main = new Main();
    }

    public Main(){
        Scanner scanner = new Scanner(System.in);
        int H,A;
        H = Integer.parseInt(scanner.next());
        A = Integer.parseInt(scanner.next());

        int total = 0, result=0;

        while(total < H){
            total += A;
            result++;
        }

        System.out.println(result);
    }
} import java.util.*; util.* java class Main{

    public static void main(String args[]) throws Exception{
        Main main = new Main();
    }

    public Main(){
        Scanner scanner = new Scanner(System.in);
        int H,A;
        H = Integer.parseInt(scanner.next());
        A = Integer.parseInt(scanner.next());

        int total = 0, result=0;

        while(total < H){
            total += A;
            result++;
        }

        System.out.println(result);
    }
} Main public static void main(String args[]) throws Exception{
        Main main = new Main();
    } main {
        Main main = new Main();
    } Main main = new Main(); main new Main() String args[] args public Main(){
        Scanner scanner = new Scanner(System.in);
        int H,A;
        H = Integer.parseInt(scanner.next());
        A = Integer.parseInt(scanner.next());

        int total = 0, result=0;

        while(total < H){
            total += A;
            result++;
        }

        System.out.println(result);
    } Main {
        Scanner scanner = new Scanner(System.in);
        int H,A;
        H = Integer.parseInt(scanner.next());
        A = Integer.parseInt(scanner.next());

        int total = 0, result=0;

        while(total < H){
            total += A;
            result++;
        }

        System.out.println(result);
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int H H A; A H = Integer.parseInt(scanner.next()) H Integer.parseInt(scanner.next()) Integer.parseInt Integer scanner.next() scanner.next scanner A = Integer.parseInt(scanner.next()) A Integer.parseInt(scanner.next()) Integer.parseInt Integer scanner.next() scanner.next scanner int total = 0 total 0 result=0; result 0 while(total < H){
            total += A;
            result++;
        } total < H total H {
            total += A;
            result++;
        } total += A total A result++ result System.out.println(result) System.out.println System.out System System.out result
import java.util.*;

class Main{

    public static void main(String args[]) throws Exception{
        Main main = new Main();
    }

    public Main(){
        Scanner scanner = new Scanner(System.in);
        int H,A;
        H = Integer.parseInt(scanner.next());
        A = Integer.parseInt(scanner.next());

        int total = 0, result=0;

        while(total < H){
            total += A;
            result++;
        }

        System.out.println(result);
    }
}
