import java.util.Scanner;
public class No51 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int w = sc.nextInt();
		int d = sc.nextInt();
		sc.close();
		for(int i = d; i > 1; i--){
			w = w - (int)(w / Math.pow(i, 2));
		}
		System.out.println(w);
	}
}