import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import static java.lang.System.in;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(in));
        String[] inputs = reader.readLine().split(" ");
        int S = Integer.parseInt(inputs[0]);
        int F = Integer.parseInt(inputs[1]);
        System.out.println(S/F + 1);
    }
}