int[] luckyNumbers = { 4, 8, 15, 16, 23, 42};
luckyNumbers[1] = 900;
string[] friends = new string[3];
friends[0] = "Jim";
friends[1] = "Kelly";
friends[2] = "John";
friends[3] = "Ben";
Console.WriteLine(luckyNumbers[1]);
Console.ReadLine();