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

