import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int j=0, H, A;
        H = scan.nextInt();
        A = scan.nextInt();
        while(H>0)
        {
            H=H-A;
            j++;
        }
        System.out.println(j);

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

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int j=0, H, A;
        H = scan.nextInt();
        A = scan.nextInt();
        while(H>0)
        {
            H=H-A;
            j++;
        }
        System.out.println(j);

    }
} Main public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int j=0, H, A;
        H = scan.nextInt();
        A = scan.nextInt();
        while(H>0)
        {
            H=H-A;
            j++;
        }
        System.out.println(j);

    } main {
        Scanner scan = new Scanner(System.in);
        int j=0, H, A;
        H = scan.nextInt();
        A = scan.nextInt();
        while(H>0)
        {
            H=H-A;
            j++;
        }
        System.out.println(j);

    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int j=0 j 0 H H A; A H = scan.nextInt() H scan.nextInt() scan.nextInt scan A = scan.nextInt() A scan.nextInt() scan.nextInt scan while(H>0)
        {
            H=H-A;
            j++;
        } H>0 H 0 {
            H=H-A;
            j++;
        } H=H-A H H-A H A j++ j System.out.println(j) System.out.println System.out System System.out j String[] args args public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int j=0, H, A;
        H = scan.nextInt();
        A = scan.nextInt();
        while(H>0)
        {
            H=H-A;
            j++;
        }
        System.out.println(j);

    }
} public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int j=0, H, A;
        H = scan.nextInt();
        A = scan.nextInt();
        while(H>0)
        {
            H=H-A;
            j++;
        }
        System.out.println(j);

    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int j=0, H, A;
        H = scan.nextInt();
        A = scan.nextInt();
        while(H>0)
        {
            H=H-A;
            j++;
        }
        System.out.println(j);

    }
}