import java.util.*;

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

        int count = 0;
        while (H > 0) {
            H -= A;
            count++;
        }
        System.out.println(count);
    }
} import java.util.*; util.* java class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();

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

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

        int count = 0;
        while (H > 0) {
            H -= A;
            count++;
        }
        System.out.println(count);
    } 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 count = 0; count 0 while (H > 0) {
            H -= A;
            count++;
        } H > 0 H 0 {
            H -= A;
            count++;
        } H -= A H A count++ count System.out.println(count) System.out.println System.out System System.out count String[] args args
import java.util.*;

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

        int count = 0;
        while (H > 0) {
            H -= A;
            count++;
        }
        System.out.println(count);
    }
}
