import java.io.*;
import java.util.*;

public class ruins_yuizumi {
	public static void main(String[] args) {
		Scanner cin = new Scanner(System.in);
		while(doCase(cin)) ;
	}

	private static boolean doCase(Scanner cin) {
		int a = cin.nextInt();
		int b = cin.nextInt();

		if(a == 0 && b == 0) return false;

		ArrayList<Integer> aFactors = enumFactors(a);
		ArrayList<Integer> bFactors = enumFactors(b);

		int[] s = new int[4];
		int   m = Integer.MAX_VALUE;

		for(int aFactor : aFactors) {
			for(int bFactor : bFactors) {
				s[0] = aFactor;
				s[1] = a / aFactor;
				s[2] = bFactor;
				s[3] = b / bFactor;

				Arrays.sort(s);
				int n = 0;
				for(int i = 1; i < 4; i++) {
					n += (s[i] - s[i-1]) * (s[i] - s[i-1]);
				}

				m = Math.min(m, n);
			}
		}

		System.out.println(m);
		return true;
	}

	private static ArrayList<Integer> enumFactors(int n) {
		ArrayList<Integer> factors = new ArrayList<Integer>();
		for(int i = 1; i * i <= n; i++) { if(n % i == 0) factors.add(i); }
		return factors;
	}
}