using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Code
{
    class Program
    {
        static void Main(string[] args)
        {

            string line = Console.ReadLine();
            string[] values = line.Split(' ');
            int X = int.Parse(values[0]);
            int Y = int.Parse(values[1]);

            int[] rr = new int[Y / 2 + 1];

            int i = 1;
            while (true)
            {
                int t = i * i;
                if (t > Y) break;
                else
                {
                    rr[i++] = t;
                }
            }

            int maxSum = 0;
            for (int k = X; k <= Y; k++)
            {
                int sum = 0;
                for (int s = 0; s * s < k / 2; s++)
                {
                    for (int l = s; l * l <= k; l++)
                    {
                        if (s * s + l * l == k)
                        {
                            if (l * l == k || s == l) sum += 4; 
                            else sum += 8;
                        }
                    }
                }
                if (sum > maxSum) maxSum = sum;
            }

            Console.WriteLine(maxSum);
        }
    }
}