public class No_128 {

	public static void main(String[] args) {
		java.util.Scanner sc = new java.util.Scanner(System.in);
		int otoshidama = sc.nextInt();
		int paperMoney = otoshidama / 1000;
		int child = sc.nextInt();
		
		System.out.println(paperMoney / child);
		sc.close();
		

	}

}