public static void Main()
int[] arrayInicial = new int[] { 1, 2, 3, 4, 5 };
int[] arrayNuevo = new int[arrayInicial.Length];
int PrimerValor = arrayInicial[0];
for(i=1; i<=arrayInicial.Length - 1;i++)
prueba += arrayInicial[i] + ",";
Console.WriteLine(prueba+PrimerValor);