antony ton ton help

class Program
    {
        private String name;
        public int compareTo(string s1)
        {
            String s2 = (String)s1;
            for(int i = 0; i < s2.length(); i++)
            {
                if (name.charAt(i) > s2.charAt(i))
                    return -1;
                else if (name.charAt(i) < s2.charAt(i))
                    return 1;
                else
                    return 0;
            }
        }
        static void Main(string[] args)
        {
            Console.WriteLine("What is your name? ");
                var name1 = Console.ReadLine();
            Console.WriteLine("What is your friends name? ");
                var name2 = Console.ReadLine();

                string message = (name1.compareTo(name2) <= 0) ? "1.\t" + name1 + "\n2.\t" + name2 + "." : "1.\t" + name2 + "\n2." + name1 + ".";
                Console.WriteLine("Aphabetical order: {0}", message);
        }
    }