import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String[] arr = reader.readLine().split(" ");
        int H = Integer.parseInt(arr[0]);
        int A = Integer.parseInt(arr[1]);
        System.out.println(H % A != 0 ? H / A + 1 : H / A);
    }
} import java.io.*; io.* java public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String[] arr = reader.readLine().split(" ");
        int H = Integer.parseInt(arr[0]);
        int A = Integer.parseInt(arr[1]);
        System.out.println(H % A != 0 ? H / A + 1 : H / A);
    }
} Main public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String[] arr = reader.readLine().split(" ");
        int H = Integer.parseInt(arr[0]);
        int A = Integer.parseInt(arr[1]);
        System.out.println(H % A != 0 ? H / A + 1 : H / A);
    } main {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String[] arr = reader.readLine().split(" ");
        int H = Integer.parseInt(arr[0]);
        int A = Integer.parseInt(arr[1]);
        System.out.println(H % A != 0 ? H / A + 1 : H / A);
    } BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); reader new BufferedReader(new InputStreamReader(System.in)) String[] arr = reader.readLine().split(" "); arr reader.readLine().split(" ") reader.readLine().split reader.readLine() reader.readLine reader " " int H = Integer.parseInt(arr[0]); H Integer.parseInt(arr[0]) Integer.parseInt Integer arr[0] arr 0 int A = Integer.parseInt(arr[1]); A Integer.parseInt(arr[1]) Integer.parseInt Integer arr[1] arr 1 System.out.println(H % A != 0 ? H / A + 1 : H / A) System.out.println System.out System System.out H % A != 0 ? H / A + 1 : H / A H % A != 0 H % A H A 0 H / A + 1 H / A H A 1 H / A H A String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String[] arr = reader.readLine().split(" ");
        int H = Integer.parseInt(arr[0]);
        int A = Integer.parseInt(arr[1]);
        System.out.println(H % A != 0 ? H / A + 1 : H / A);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String[] arr = reader.readLine().split(" ");
        int H = Integer.parseInt(arr[0]);
        int A = Integer.parseInt(arr[1]);
        System.out.println(H % A != 0 ? H / A + 1 : H / A);
    }
} Main
import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String[] arr = reader.readLine().split(" ");
        int H = Integer.parseInt(arr[0]);
        int A = Integer.parseInt(arr[1]);
        System.out.println(H % A != 0 ? H / A + 1 : H / A);
    }
}