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