import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), A = sc.nextInt();
    System.out.println((H + A - 1) / A);
  }
} import java.util.*; util.* java public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), A = sc.nextInt();
    System.out.println((H + A - 1) / A);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), A = sc.nextInt();
    System.out.println((H + A - 1) / A);
  } main {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), A = sc.nextInt();
    System.out.println((H + A - 1) / A);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = sc.nextInt() H sc.nextInt() sc.nextInt sc A = sc.nextInt(); A sc.nextInt() sc.nextInt sc System.out.println((H + A - 1) / A) System.out.println System.out System System.out (H + A - 1) / A (H + A - 1) H + A H A 1 A String[] args args public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), A = sc.nextInt();
    System.out.println((H + A - 1) / A);
  }
} public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), A = sc.nextInt();
    System.out.println((H + A - 1) / A);
  }
} Main
import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), A = sc.nextInt();
    System.out.println((H + A - 1) / A);
  }
}