MasterNumbers

using System;
namespace MasterNumbers
{
    class MasterNumbers
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            for (int i = 1; i <= n; i++)
            {
                if (isPalindrome(i) == true && divisibleSum(i) == true
                    && haveEven(i) == true)
                {
                    Console.WriteLine(i);
                }
            }
        }
        public static bool isPalindrome(int number)
        {
            string str = number.ToString();
            if (str.Length < 4 && str[0] == str[str.Length - 1])
            {
                return true;
            }
            else if (str.Length < 6 &&
                (str[0] == str[str.Length - 1] && str[1] == str[str.Length - 2]))
            {
                return true;
            }
            else if (str.Length < 8 &&
               (str[0] == str[str.Length - 1] && str[1] == str[str.Length - 2]
               && str[2] == str[str.Length-3]))
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        public static bool divisibleSum(int number)
        {
            string str = number.ToString();
            int sumOfDigits = 0;
            for (int i = 0; i < str.Length; i++)
            {
                sumOfDigits += int.Parse(str[i].ToString());
            }
            if (sumOfDigits % 7 == 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        public static bool haveEven (int number)
        {
            string str = number.ToString();
            int evenCounter = 0;
            for (int i = 0; i < str.Length; i++)
            {
                int currentDigit = int.Parse(str[i].ToString());
                if (currentDigit % 2 == 0)
                {
                    evenCounter++;
                }
            }
            if (evenCounter > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }
}