using System;

class Program
{
    private static readonly Random rnd = new Random();
    private static void Main()
    {
        int numOfNumbers = 1000;
        for (int i = 0; i < numOfNumbers; i++)
        {
            Console.WriteLine($"Palindrome number {i}: {RandomPalindrome(100, 1000)}");
        }
        Console.ReadKey();
    }
    private static int RandomPalindrome(int min, int max)
    {
        int randomized;
        do
        {
            randomized = rnd.Next(min, max);

        } while (!randomized.IsPalindrome());
        return randomized;
    }

}
static class MethodExtensions
{
    public static bool IsPalindrome(this int randomized)
    {
        int r, sum = 0, temp;
        temp = randomized;
        while (randomized > 0)
        {
            r = randomized % 10;
            sum = (sum * 10) + r;
            randomized /= 10;
        }
        if (temp == sum)
            return true;
        else
            return false;
    }
}