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