import java.io.*;
import java.util.*;


public class Main_yukicoder388 {

    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	Printer pr = new Printer(System.out);

		int s = sc.nextInt();
		int f = sc.nextInt();

		pr.println(s / f + 1);

        pr.close();
        sc.close();
    }

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}