import java.util.*;

class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int attack = Integer.parseInt(sc.next());
        if(hp % attack != 0){
            System.out.println(hp / attack + 1);
        }else{
            System.out.println(hp / attack);
        }
    }
} import java.util.*; util.* java class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int attack = Integer.parseInt(sc.next());
        if(hp % attack != 0){
            System.out.println(hp / attack + 1);
        }else{
            System.out.println(hp / attack);
        }
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int attack = Integer.parseInt(sc.next());
        if(hp % attack != 0){
            System.out.println(hp / attack + 1);
        }else{
            System.out.println(hp / attack);
        }
    } main {
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int attack = Integer.parseInt(sc.next());
        if(hp % attack != 0){
            System.out.println(hp / attack + 1);
        }else{
            System.out.println(hp / attack);
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int hp = Integer.parseInt(sc.next()); hp Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int attack = Integer.parseInt(sc.next()); attack Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc if(hp % attack != 0){
            System.out.println(hp / attack + 1);
        }else{
            System.out.println(hp / attack);
        } hp % attack != 0 hp % attack hp attack 0 {
            System.out.println(hp / attack + 1);
        } System.out.println(hp / attack + 1) System.out.println System.out System System.out hp / attack + 1 hp / attack hp attack 1 {
            System.out.println(hp / attack);
        } System.out.println(hp / attack) System.out.println System.out System System.out hp / attack hp attack String[] args args
import java.util.*;

class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int hp = Integer.parseInt(sc.next());
        int attack = Integer.parseInt(sc.next());
        if(hp % attack != 0){
            System.out.println(hp / attack + 1);
        }else{
            System.out.println(hp / attack);
        }
    }
}