import java.util.*;
import java.util.Map.Entry;
 
 
 class Main {
	 static int mod =  (int) (Math.pow(10,9)+7);
	 static List<ArrayList<Integer>>  list = new ArrayList<ArrayList<Integer>>();
    public static void main(String[] args) {
    
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        int ans = 0;
        if(H%A==0) {
        	ans = H/A;
        } else {
        	ans = H/A+1;
        }
        
	    System.out.println(ans);
		
    }
} import java.util.*; util.* java import java.util.Map.Entry; Entry java.util.Map class Main {
	 static int mod =  (int) (Math.pow(10,9)+7);
	 static List<ArrayList<Integer>>  list = new ArrayList<ArrayList<Integer>>();
    public static void main(String[] args) {
    
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        int ans = 0;
        if(H%A==0) {
        	ans = H/A;
        } else {
        	ans = H/A+1;
        }
        
	    System.out.println(ans);
		
    }
} Main static int mod =  (int) (Math.pow(10,9)+7); mod (int) (Math.pow(10,9)+7) Math.pow(10,9) Math.pow Math 10 9 7 static List<ArrayList<Integer>>  list = new ArrayList<ArrayList<Integer>>(); list new ArrayList<ArrayList<Integer>>() public static void main(String[] args) {
    
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        int ans = 0;
        if(H%A==0) {
        	ans = H/A;
        } else {
        	ans = H/A+1;
        }
        
	    System.out.println(ans);
		
    } main {
    
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        int ans = 0;
        if(H%A==0) {
        	ans = H/A;
        } else {
        	ans = H/A+1;
        }
        
	    System.out.println(ans);
		
    } 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 ans = 0; ans 0 if(H%A==0) {
        	ans = H/A;
        } else {
        	ans = H/A+1;
        } H%A==0 H%A H A 0 {
        	ans = H/A;
        } ans = H/A ans H/A H A {
        	ans = H/A+1;
        } ans = H/A+1 ans H/A+1 H/A H A 1 System.out.println(ans) System.out.println System.out System System.out ans String[] args args
import java.util.*;
import java.util.Map.Entry;
 
 
 class Main {
	 static int mod =  (int) (Math.pow(10,9)+7);
	 static List<ArrayList<Integer>>  list = new ArrayList<ArrayList<Integer>>();
    public static void main(String[] args) {
    
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        int ans = 0;
        if(H%A==0) {
        	ans = H/A;
        } else {
        	ans = H/A+1;
        }
        
	    System.out.println(ans);
		
    }
}