using System;

public class Program

{

    public static void Main()

    {

        int loop = 10000;

        string result = null;

        for (int i = 0; i < loop; i++)

        {

            int R = 0, G = 1, B = 2, A = 3;

            for (int j = 0; j < 100; j++)

            {

                R++;

                G++;

                B++;

                A++;

                result = string.Format("#{0:X8}", (R<<24)+(G<<16)+(B<<8)+A);

            }

        }

        Console.WriteLine(result);

    }

}