import java.util.Scanner;

public class Main {

  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int h = input.nextInt();
    int a = input.nextInt();
    System.out.println((int) Math.ceil(1.0 * h / a));
  }

} import java.util.Scanner; Scanner java.util public class Main {

  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int h = input.nextInt();
    int a = input.nextInt();
    System.out.println((int) Math.ceil(1.0 * h / a));
  }

} Main public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int h = input.nextInt();
    int a = input.nextInt();
    System.out.println((int) Math.ceil(1.0 * h / a));
  } main {
    Scanner input = new Scanner(System.in);
    int h = input.nextInt();
    int a = input.nextInt();
    System.out.println((int) Math.ceil(1.0 * h / a));
  } Scanner input = new Scanner(System.in); input new Scanner(System.in) int h = input.nextInt(); h input.nextInt() input.nextInt input int a = input.nextInt(); a input.nextInt() input.nextInt input System.out.println((int) Math.ceil(1.0 * h / a)) System.out.println System.out System System.out (int) Math.ceil(1.0 * h / a) Math.ceil Math 1.0 * h / a 1.0 * h 1.0 h a String[] args args public class Main {

  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int h = input.nextInt();
    int a = input.nextInt();
    System.out.println((int) Math.ceil(1.0 * h / a));
  }

} public class Main {

  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int h = input.nextInt();
    int a = input.nextInt();
    System.out.println((int) Math.ceil(1.0 * h / a));
  }

} Main
import java.util.Scanner;

public class Main {

  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int h = input.nextInt();
    int a = input.nextInt();
    System.out.println((int) Math.ceil(1.0 * h / a));
  }

}
