import java.util.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;

public class Main {
    public static void main(String[] args) {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        int ans =  0;
        
        while(h > 0){
            h = h -a;
            ans++;
        }
        
        System.out.println(ans);
    }
} import java.util.*; util.* java import java.util.ArrayList; ArrayList java.util import java.util.List; List java.util import java.util.Arrays; Arrays java.util public class Main {
    public static void main(String[] args) {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        int ans =  0;
        
        while(h > 0){
            h = h -a;
            ans++;
        }
        
        System.out.println(ans);
    }
} Main public static void main(String[] args) {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        int ans =  0;
        
        while(h > 0){
            h = h -a;
            ans++;
        }
        
        System.out.println(ans);
    } main {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        int ans =  0;
        
        while(h > 0){
            h = h -a;
            ans++;
        }
        
        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 while(h > 0){
            h = h -a;
            ans++;
        } h > 0 h 0 {
            h = h -a;
            ans++;
        } h = h -a h h -a h a ans++ ans System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
    public static void main(String[] args) {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        int ans =  0;
        
        while(h > 0){
            h = h -a;
            ans++;
        }
        
        System.out.println(ans);
    }
} public class Main {
    public static void main(String[] args) {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        int ans =  0;
        
        while(h > 0){
            h = h -a;
            ans++;
        }
        
        System.out.println(ans);
    }
} Main
import java.util.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;

public class Main {
    public static void main(String[] args) {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        int ans =  0;
        
        while(h > 0){
            h = h -a;
            ans++;
        }
        
        System.out.println(ans);
    }
}