import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int h = Integer.parseInt(scan.next());
        int a = Integer.parseInt(scan.next());
        //int c = Integer.parseInt(scan.next());
        int cnt = 0;
        while(h>0) {
            h = h-a;
            cnt++;
        }
        System.out.println(cnt);
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int h = Integer.parseInt(scan.next());
        int a = Integer.parseInt(scan.next());
        //int c = Integer.parseInt(scan.next());
        int cnt = 0;
        while(h>0) {
            h = h-a;
            cnt++;
        }
        System.out.println(cnt);
    }
} Main public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int h = Integer.parseInt(scan.next());
        int a = Integer.parseInt(scan.next());
        //int c = Integer.parseInt(scan.next());
        int cnt = 0;
        while(h>0) {
            h = h-a;
            cnt++;
        }
        System.out.println(cnt);
    } main {
        Scanner scan = new Scanner(System.in);
        int h = Integer.parseInt(scan.next());
        int a = Integer.parseInt(scan.next());
        //int c = Integer.parseInt(scan.next());
        int cnt = 0;
        while(h>0) {
            h = h-a;
            cnt++;
        }
        System.out.println(cnt);
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int h = Integer.parseInt(scan.next()); h Integer.parseInt(scan.next()) Integer.parseInt Integer scan.next() scan.next scan int a = Integer.parseInt(scan.next()); a Integer.parseInt(scan.next()) Integer.parseInt Integer scan.next() scan.next scan int cnt = 0; cnt 0 while(h>0) {
            h = h-a;
            cnt++;
        } h>0 h 0 {
            h = h-a;
            cnt++;
        } h = h-a h h-a h a cnt++ cnt System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int h = Integer.parseInt(scan.next());
        int a = Integer.parseInt(scan.next());
        //int c = Integer.parseInt(scan.next());
        int cnt = 0;
        while(h>0) {
            h = h-a;
            cnt++;
        }
        System.out.println(cnt);
    }
} public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int h = Integer.parseInt(scan.next());
        int a = Integer.parseInt(scan.next());
        //int c = Integer.parseInt(scan.next());
        int cnt = 0;
        while(h>0) {
            h = h-a;
            cnt++;
        }
        System.out.println(cnt);
    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int h = Integer.parseInt(scan.next());
        int a = Integer.parseInt(scan.next());
        //int c = Integer.parseInt(scan.next());
        int cnt = 0;
        while(h>0) {
            h = h-a;
            cnt++;
        }
        System.out.println(cnt);
    }
}
