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

public class No0388 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        int s = scanner.nextInt();
        int f = scanner.nextInt();
        int ans = s/f+1;
        out.println(ans);
        out.flush();
    }
}