using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        var original = "á";

        foreach(var enc in Encoding.GetEncodings()){

            var x = enc.GetEncoding();

            var res = x.GetString(x.GetBytes(original));

            if (res != "?") {

                Console.WriteLine(enc.Name);

            }

        }

    }

}