public static void Main()
Console.WriteLine("please enter the size of the arrays as a whole number.");
input = Console.ReadLine();
loop = Int32.TryParse(input, out size);
Console.WriteLine("Invald entry. Please try again.");
int[] sum = new int[size];
double[] averge = new double [size];
string[] pets = new string[size];
for(int i = 0; i < sum.Length; i++)
Console.WriteLine("please enter a whole number.");
input = Console.ReadLine();
loop = Int32.TryParse(input, out sum[i]);
Console.WriteLine("Invald entry. Please try again.");
for(int i = 0; i < sum.Length; i++)
Console.WriteLine("sum = " + s);