
import java.util.Scanner;

public class Main {

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

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

        System.out.println(ans);
    }

} import java.util.Scanner; Scanner java.util public class Main {

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

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

        System.out.println(ans);
    }

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

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

        System.out.println(ans);
    } main {
        Scanner sc = new java.util.Scanner(System.in);

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

        System.out.println(ans);
    } Scanner sc = new java.util.Scanner(System.in); sc new java.util.Scanner(System.in) int H = sc.nextInt(); H sc.nextInt() sc.nextInt sc int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc int ans = (int)Math.ceil(H / (double)A); ans (int)Math.ceil(H / (double)A) Math.ceil Math H / (double)A H (double)A System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

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

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

        System.out.println(ans);
    }

} public class Main {

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

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

        System.out.println(ans);
    }

} Main

import java.util.Scanner;

public class Main {

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

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

        System.out.println(ans);
    }

}
