import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int hp = scanner.nextInt();
        int attack = scanner.nextInt();
        System.out.println(divideCeil(hp, attack));
    }

    static int divideCeil(int numerator, int denominator) {
        double a = numerator;
        double b = denominator;
        return (int) Math.ceil(a / b);
    }
} import java.util.Scanner; Scanner java.util class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int hp = scanner.nextInt();
        int attack = scanner.nextInt();
        System.out.println(divideCeil(hp, attack));
    }

    static int divideCeil(int numerator, int denominator) {
        double a = numerator;
        double b = denominator;
        return (int) Math.ceil(a / b);
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int hp = scanner.nextInt();
        int attack = scanner.nextInt();
        System.out.println(divideCeil(hp, attack));
    } main {
        Scanner scanner = new Scanner(System.in);
        int hp = scanner.nextInt();
        int attack = scanner.nextInt();
        System.out.println(divideCeil(hp, attack));
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int hp = scanner.nextInt(); hp scanner.nextInt() scanner.nextInt scanner int attack = scanner.nextInt(); attack scanner.nextInt() scanner.nextInt scanner System.out.println(divideCeil(hp, attack)) System.out.println System.out System System.out divideCeil(hp, attack) divideCeil hp attack String[] args args static int divideCeil(int numerator, int denominator) {
        double a = numerator;
        double b = denominator;
        return (int) Math.ceil(a / b);
    } divideCeil {
        double a = numerator;
        double b = denominator;
        return (int) Math.ceil(a / b);
    } double a = numerator; a numerator double b = denominator; b denominator return (int) Math.ceil(a / b); (int) Math.ceil(a / b) Math.ceil Math a / b a b int numerator numerator int denominator denominator
import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int hp = scanner.nextInt();
        int attack = scanner.nextInt();
        System.out.println(divideCeil(hp, attack));
    }

    static int divideCeil(int numerator, int denominator) {
        double a = numerator;
        double b = denominator;
        return (int) Math.ceil(a / b);
    }
}