import java.util.*;

public class Main{
    public static void main(String[] args){
      Scanner scanner = new Scanner(System.in);
      String[] testList = scanner.nextLine().split(" ");
      int HP = Integer.parseInt(testList[0]);
      int ATTACK = Integer.parseInt(testList[1]);
      int attack_count = 0;
      
      if(HP % ATTACK == 0){
        attack_count = HP / ATTACK;
      }else{
        attack_count = HP / ATTACK + 1;
      }
      
      System.out.println(attack_count);
      
    }
}  import java.util.*; util.* java public class Main{
    public static void main(String[] args){
      Scanner scanner = new Scanner(System.in);
      String[] testList = scanner.nextLine().split(" ");
      int HP = Integer.parseInt(testList[0]);
      int ATTACK = Integer.parseInt(testList[1]);
      int attack_count = 0;
      
      if(HP % ATTACK == 0){
        attack_count = HP / ATTACK;
      }else{
        attack_count = HP / ATTACK + 1;
      }
      
      System.out.println(attack_count);
      
    }
} Main public static void main(String[] args){
      Scanner scanner = new Scanner(System.in);
      String[] testList = scanner.nextLine().split(" ");
      int HP = Integer.parseInt(testList[0]);
      int ATTACK = Integer.parseInt(testList[1]);
      int attack_count = 0;
      
      if(HP % ATTACK == 0){
        attack_count = HP / ATTACK;
      }else{
        attack_count = HP / ATTACK + 1;
      }
      
      System.out.println(attack_count);
      
    } main {
      Scanner scanner = new Scanner(System.in);
      String[] testList = scanner.nextLine().split(" ");
      int HP = Integer.parseInt(testList[0]);
      int ATTACK = Integer.parseInt(testList[1]);
      int attack_count = 0;
      
      if(HP % ATTACK == 0){
        attack_count = HP / ATTACK;
      }else{
        attack_count = HP / ATTACK + 1;
      }
      
      System.out.println(attack_count);
      
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String[] testList = scanner.nextLine().split(" "); testList scanner.nextLine().split(" ") scanner.nextLine().split scanner.nextLine() scanner.nextLine scanner " " int HP = Integer.parseInt(testList[0]); HP Integer.parseInt(testList[0]) Integer.parseInt Integer testList[0] testList 0 int ATTACK = Integer.parseInt(testList[1]); ATTACK Integer.parseInt(testList[1]) Integer.parseInt Integer testList[1] testList 1 int attack_count = 0; attack_count 0 if(HP % ATTACK == 0){
        attack_count = HP / ATTACK;
      }else{
        attack_count = HP / ATTACK + 1;
      } HP % ATTACK == 0 HP % ATTACK HP ATTACK 0 {
        attack_count = HP / ATTACK;
      } attack_count = HP / ATTACK attack_count HP / ATTACK HP ATTACK {
        attack_count = HP / ATTACK + 1;
      } attack_count = HP / ATTACK + 1 attack_count HP / ATTACK + 1 HP / ATTACK HP ATTACK 1 System.out.println(attack_count) System.out.println System.out System System.out attack_count String[] args args public class Main{
    public static void main(String[] args){
      Scanner scanner = new Scanner(System.in);
      String[] testList = scanner.nextLine().split(" ");
      int HP = Integer.parseInt(testList[0]);
      int ATTACK = Integer.parseInt(testList[1]);
      int attack_count = 0;
      
      if(HP % ATTACK == 0){
        attack_count = HP / ATTACK;
      }else{
        attack_count = HP / ATTACK + 1;
      }
      
      System.out.println(attack_count);
      
    }
} public class Main{
    public static void main(String[] args){
      Scanner scanner = new Scanner(System.in);
      String[] testList = scanner.nextLine().split(" ");
      int HP = Integer.parseInt(testList[0]);
      int ATTACK = Integer.parseInt(testList[1]);
      int attack_count = 0;
      
      if(HP % ATTACK == 0){
        attack_count = HP / ATTACK;
      }else{
        attack_count = HP / ATTACK + 1;
      }
      
      System.out.println(attack_count);
      
    }
} Main
import java.util.*;

public class Main{
    public static void main(String[] args){
      Scanner scanner = new Scanner(System.in);
      String[] testList = scanner.nextLine().split(" ");
      int HP = Integer.parseInt(testList[0]);
      int ATTACK = Integer.parseInt(testList[1]);
      int attack_count = 0;
      
      if(HP % ATTACK == 0){
        attack_count = HP / ATTACK;
      }else{
        attack_count = HP / ATTACK + 1;
      }
      
      System.out.println(attack_count);
      
    }
} 