import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");
        
        final int H = Integer.parseInt(sc.next());
        final int A = Integer.parseInt(sc.next());
        out.println(H%A == 0 ? H/A : H/A +1);
        
        out.flush();
    }
} import java.io.*; io.* java import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");
        
        final int H = Integer.parseInt(sc.next());
        final int A = Integer.parseInt(sc.next());
        out.println(H%A == 0 ? H/A : H/A +1);
        
        out.flush();
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");
        
        final int H = Integer.parseInt(sc.next());
        final int A = Integer.parseInt(sc.next());
        out.println(H%A == 0 ? H/A : H/A +1);
        
        out.flush();
    } main {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");
        
        final int H = Integer.parseInt(sc.next());
        final int A = Integer.parseInt(sc.next());
        out.println(H%A == 0 ? H/A : H/A +1);
        
        out.flush();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) final int H = Integer.parseInt(sc.next()); H Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc final int A = Integer.parseInt(sc.next()); A Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc out.println(H%A == 0 ? H/A : H/A +1) out.println out H%A == 0 ? H/A : H/A +1 H%A == 0 H%A H A 0 H/A H A H/A +1 H/A H A 1 out.flush() out.flush out String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");
        
        final int H = Integer.parseInt(sc.next());
        final int A = Integer.parseInt(sc.next());
        out.println(H%A == 0 ? H/A : H/A +1);
        
        out.flush();
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");
        
        final int H = Integer.parseInt(sc.next());
        final int A = Integer.parseInt(sc.next());
        out.println(H%A == 0 ? H/A : H/A +1);
        
        out.flush();
    }
} Main
import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");
        
        final int H = Integer.parseInt(sc.next());
        final int A = Integer.parseInt(sc.next());
        out.println(H%A == 0 ? H/A : H/A +1);
        
        out.flush();
    }
}