import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int a = Integer.parseInt(scanner.next());
        for (int i = 1; true; i++) {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int a = Integer.parseInt(scanner.next());
        for (int i = 1; true; i++) {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        }
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int a = Integer.parseInt(scanner.next());
        for (int i = 1; true; i++) {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        }
    } main {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int a = Integer.parseInt(scanner.next());
        for (int i = 1; true; i++) {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        }
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int h = Integer.parseInt(scanner.next()); h Integer.parseInt(scanner.next()) Integer.parseInt Integer scanner.next() scanner.next scanner int a = Integer.parseInt(scanner.next()); a Integer.parseInt(scanner.next()) Integer.parseInt Integer scanner.next() scanner.next scanner for (int i = 1; true; i++) {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        } int i = 1; int i = 1; i 1 true i++ i++ i {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        } {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        } h = h - a h h - a h a if (h <= 0){
                System.out.println(i);
                return;
            } h <= 0 h 0 {
                System.out.println(i);
                return;
            } System.out.println(i) System.out.println System.out System System.out i return; String[] args args public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int a = Integer.parseInt(scanner.next());
        for (int i = 1; true; i++) {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int a = Integer.parseInt(scanner.next());
        for (int i = 1; true; i++) {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        }
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int a = Integer.parseInt(scanner.next());
        for (int i = 1; true; i++) {
            h = h - a;
            if (h <= 0){
                System.out.println(i);
                return;
            }
        }
    }
}
