import java.util.*;
class Main{
	public static void main(String[]args){
    	Scanner in = new Scanner(System.in);
      	int h = in.nextInt();
      	int a = in.nextInt();
      	int i = 0;
        while(h>0){
        	h-=a;i++;
        }
      	System.out.println(i);
    }
} import java.util.*; util.* java class Main{
	public static void main(String[]args){
    	Scanner in = new Scanner(System.in);
      	int h = in.nextInt();
      	int a = in.nextInt();
      	int i = 0;
        while(h>0){
        	h-=a;i++;
        }
      	System.out.println(i);
    }
} Main public static void main(String[]args){
    	Scanner in = new Scanner(System.in);
      	int h = in.nextInt();
      	int a = in.nextInt();
      	int i = 0;
        while(h>0){
        	h-=a;i++;
        }
      	System.out.println(i);
    } main {
    	Scanner in = new Scanner(System.in);
      	int h = in.nextInt();
      	int a = in.nextInt();
      	int i = 0;
        while(h>0){
        	h-=a;i++;
        }
      	System.out.println(i);
    } Scanner in = new Scanner(System.in); in new Scanner(System.in) int h = in.nextInt(); h in.nextInt() in.nextInt in int a = in.nextInt(); a in.nextInt() in.nextInt in int i = 0; i 0 while(h>0){
        	h-=a;i++;
        } h>0 h 0 {
        	h-=a;i++;
        } h-=a h a i++ i System.out.println(i) System.out.println System.out System System.out i String[]args args
import java.util.*;
class Main{
	public static void main(String[]args){
    	Scanner in = new Scanner(System.in);
      	int h = in.nextInt();
      	int a = in.nextInt();
      	int i = 0;
        while(h>0){
        	h-=a;i++;
        }
      	System.out.println(i);
    }
}