import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();
        int hitNum = (int)Math.ceil((double) H / A);

        System.out.print(hitNum);
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();
        int hitNum = (int)Math.ceil((double) H / A);

        System.out.print(hitNum);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();
        int hitNum = (int)Math.ceil((double) H / A);

        System.out.print(hitNum);
    } main {
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();
        int hitNum = (int)Math.ceil((double) H / A);

        System.out.print(hitNum);
    } 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 hitNum = (int)Math.ceil((double) H / A); hitNum (int)Math.ceil((double) H / A) Math.ceil Math (double) H / A (double) H A System.out.print(hitNum) System.out.print System.out System System.out hitNum String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();
        int hitNum = (int)Math.ceil((double) H / A);

        System.out.print(hitNum);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();
        int hitNum = (int)Math.ceil((double) H / A);

        System.out.print(hitNum);
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();
        int hitNum = (int)Math.ceil((double) H / A);

        System.out.print(hitNum);
    }
}