public static void Main()
Console.WriteLine("Enter a value for array slot: {0}", index);
input = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("{0} is Odd", input);
for (var i = 0; i < arr.Length; i++)
Console.WriteLine("Sum is [{0}]", sum);
foreach (var nums in arr)
Console.WriteLine("Test foreach [{0}]", sum);