using System;

public class Program

{

    public static void Main()

    {

        int lnNumero;

        string lsCadena;

        int[] arrArray = new int[10];

        lsCadena = "";

        for (int lnI = 0; lnI < 10; lnI++)

        {

            do

            {    

                Console.Write("Dame el Valor {0} [20..80]: ", (lnI + 1));

                lnNumero = Convert.ToInt16(Console.ReadLine());

            } while ((lnNumero <  20) || (lnNumero > 80));

            lsCadena+= lnNumero + ", ";

            arrArray[lnI] = lnNumero;

        }

        Console.WriteLine("\n\n Concatenado: {0}", lsCadena);

        Console.Write("En Array: ");

        for (int lnI = 0; lnI < 10; lnI++)

        {

            Console.Write("{0}, ", arrArray[lnI]);

        }

    }

}