import java.util.Arrays;
import java.util.BitSet;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;
import java.util.stream.Collectors;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        System.out.println((int) Math.ceil(((float) H) / A));
    }
} import java.util.Arrays; Arrays java.util import java.util.BitSet; BitSet java.util import java.util.HashSet; HashSet java.util import java.util.Scanner; Scanner java.util import java.util.Set; Set java.util import java.util.stream.Collectors; Collectors java.util.stream public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        System.out.println((int) Math.ceil(((float) H) / A));
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        System.out.println((int) Math.ceil(((float) H) / A));
    } main {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        System.out.println((int) Math.ceil(((float) H) / A));
    } 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 System.out.println((int) Math.ceil(((float) H) / A)) System.out.println System.out System System.out (int) Math.ceil(((float) H) / A) Math.ceil Math ((float) H) / A ((float) H) A 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();
        System.out.println((int) Math.ceil(((float) H) / A));
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();
        System.out.println((int) Math.ceil(((float) H) / A));
    }
} Main
import java.util.Arrays;
import java.util.BitSet;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;
import java.util.stream.Collectors;

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