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

public class Main {
	public static void main(String[] args) throws NumberFormatException, IOException{

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		long numA = Integer.parseInt(br.readLine());
		long numB = Integer.parseInt(br.readLine());
		System.out.println(numA/(numB*1000));
	}
}