import java.io.InputStream;
import java.io.PrintStream;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        int H = scan.nextInt();
        int A = scan.nextInt();
        int ans = (int)Math.ceil((double)H/A);
        os.println(ans);
    }
} import java.io.InputStream; InputStream java.io import java.io.PrintStream; PrintStream java.io import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        int H = scan.nextInt();
        int A = scan.nextInt();
        int ans = (int)Math.ceil((double)H/A);
        os.println(ans);
    }
} Main public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    } main {
        solve(System.in, System.out);
    } solve(System.in, System.out) solve System.in System System.in System.out System System.out String[] args args static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        int H = scan.nextInt();
        int A = scan.nextInt();
        int ans = (int)Math.ceil((double)H/A);
        os.println(ans);
    } solve {
        // Your code here!
        Scanner scan = new Scanner(is);
        int H = scan.nextInt();
        int A = scan.nextInt();
        int ans = (int)Math.ceil((double)H/A);
        os.println(ans);
    } Scanner scan = new Scanner(is); scan new Scanner(is) int H = scan.nextInt(); H scan.nextInt() scan.nextInt scan int A = scan.nextInt(); A scan.nextInt() scan.nextInt scan int ans = (int)Math.ceil((double)H/A); ans (int)Math.ceil((double)H/A) Math.ceil Math (double)H/A (double)H A os.println(ans) os.println os ans InputStream is is PrintStream os os public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        int H = scan.nextInt();
        int A = scan.nextInt();
        int ans = (int)Math.ceil((double)H/A);
        os.println(ans);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        int H = scan.nextInt();
        int A = scan.nextInt();
        int ans = (int)Math.ceil((double)H/A);
        os.println(ans);
    }
} Main
import java.io.InputStream;
import java.io.PrintStream;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        solve(System.in, System.out);
    }

    static void solve(InputStream is, PrintStream os) {
        // Your code here!
        Scanner scan = new Scanner(is);
        int H = scan.nextInt();
        int A = scan.nextInt();
        int ans = (int)Math.ceil((double)H/A);
        os.println(ans);
    }
}