import java.util.Scanner;
public class Main {
    public static void main(String[] args){
        try(Scanner sc = new Scanner(System.in) ) {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args){
        try(Scanner sc = new Scanner(System.in) ) {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        }
    }
} Main public static void main(String[] args){
        try(Scanner sc = new Scanner(System.in) ) {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        }
    } main {
        try(Scanner sc = new Scanner(System.in) ) {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        }
    } try(Scanner sc = new Scanner(System.in) ) {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        } {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        } Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) new Scanner(System.in) String[] line = sc.nextLine().split(" "); line sc.nextLine().split(" ") sc.nextLine().split sc.nextLine() sc.nextLine sc " " int h = Integer.valueOf(line[0]); h Integer.valueOf(line[0]) Integer.valueOf Integer line[0] line 0 int a = Integer.valueOf(line[1]); a Integer.valueOf(line[1]) Integer.valueOf Integer line[1] line 1 int n = h/a; n h/a h a if (h%a > 0) {
                n += 1;
            } h%a > 0 h%a h a 0 {
                n += 1;
            } n += 1 n 1 System.out.println(n) System.out.println System.out System System.out n String[] args args public class Main {
    public static void main(String[] args){
        try(Scanner sc = new Scanner(System.in) ) {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        }
    }
} public class Main {
    public static void main(String[] args){
        try(Scanner sc = new Scanner(System.in) ) {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        }
    }
} Main
import java.util.Scanner;
public class Main {
    public static void main(String[] args){
        try(Scanner sc = new Scanner(System.in) ) {
            String[] line = sc.nextLine().split(" ");

            int h = Integer.valueOf(line[0]);
            int a = Integer.valueOf(line[1]);

            int n = h/a;
            if (h%a > 0) {
                n += 1;
            }

            // 出力
            System.out.println(n);
        }
    }
}