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

namespace ConsoleApplication1
{
    class Program
    {
        private static int MAX = 1000000;
        static void Main(string[] args)
        {
            int sum = 0;
            for(int x = 1; x < MAX; x++)
            {
                if(x % 10 != 0)
                {
                    if (isPalindrome(x.ToString()))
                    {
                        if(isPalindrome(Convert.ToString(x, 2)))
                        {
                            sum += x;
                        }
                    }
                }
            }
            Console.WriteLine(sum);
            Console.ReadKey();
        }

        static bool isPalindrome(string x)
        {
            char[] number = x.ToCharArray();
            char[] reverseNumber = x.ToCharArray();
            if (reverseNumber[0] == '0') return false;
            Array.Reverse(reverseNumber);
            for(int i = 0; i < number.Count(); i++)
            {
                if((number[i] != reverseNumber[i]))
                {
                    return false;
                }
            }
            return true;
        }
    }
}