import java.util.*;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int y = sc.nextInt();
		int[] counts = new int[y + 1];
		int max = 0;
		for (int i = 0; i * i <= y; i++) {
		    int di = i * i;
		    for (int j = i; di + j * j <= y; j++) {
		        int dj = di + j * j;
		        if (dj < x) {
		            continue;
		        }
		        int by;
		        if (i == 0 || i == j) {
		            by = 1;
		        } else {
		            by = 2;
		        }
		        counts[dj] += by;
		        max = Math.max(max, counts[dj]);
		    }
		}
		System.out.println(max * 4);
   }
}