public class Program
    {
        static void Main(string[] args)
        {
            n();
            Console.ReadKey();

        }
        public static int n()
        {
            string result;
            string[] chars = new string[6] { "С", "Е", "Р", "Е", "Г", "А" };


            for (int j = 0; j < chars.Length; j++)
            {
                Thread.Sleep(3000);
                Console.WriteLine(chars[j]);
            }
            return 1;
        }
    }