import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double health = sc.nextInt();
    double attack = sc.nextInt();
    System.out.println((int) Math.ceil(health / attack));
  }
} import java.util.*; util.* java public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double health = sc.nextInt();
    double attack = sc.nextInt();
    System.out.println((int) Math.ceil(health / attack));
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double health = sc.nextInt();
    double attack = sc.nextInt();
    System.out.println((int) Math.ceil(health / attack));
  } main {
    Scanner sc = new Scanner(System.in);
    double health = sc.nextInt();
    double attack = sc.nextInt();
    System.out.println((int) Math.ceil(health / attack));
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) double health = sc.nextInt(); health sc.nextInt() sc.nextInt sc double attack = sc.nextInt(); attack sc.nextInt() sc.nextInt sc System.out.println((int) Math.ceil(health / attack)) System.out.println System.out System System.out (int) Math.ceil(health / attack) Math.ceil Math health / attack health attack String[] args args public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double health = sc.nextInt();
    double attack = sc.nextInt();
    System.out.println((int) Math.ceil(health / attack));
  }
} public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double health = sc.nextInt();
    double attack = sc.nextInt();
    System.out.println((int) Math.ceil(health / attack));
  }
} Main
import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double health = sc.nextInt();
    double attack = sc.nextInt();
    System.out.println((int) Math.ceil(health / attack));
  }
}
