public static void Main()
double[] zip={58103,58104,58201,58078,58503,58701,58801,58501,58102,58504};
zipinputAS = Console.ReadLine();
zipinput=Convert.ToDouble(zipinputAS);
if(zip.Contains(zipinput))
Console.WriteLine("The zip code is in the delivery zone");
Console.WriteLine("The zip code is not in the zone");