using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        string s = "áéíóú";

        byte[] byteArray = Encoding.UTF8.GetBytes(s);

        byte[] asciiArray = Encoding.Convert(Encoding.UTF8, Encoding.ASCII, byteArray);

        foreach (byte b in asciiArray) {

            Console.WriteLine(b);   

        }

    }

}