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

public class test1 {

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