import java.util.*;

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

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