ao menos duas formas de percorrer uma matriz

using System;

namespace foo
{
class numbersAreGreat{
static void Main (string[] args){
string[] numbers = {“one”, “two”, “three”, “four”, “five”};
if (args.Length > 0)
{
int number = int.Parse(args[0]);
if (number <= 0)
{
Console.WriteLine("please more than zero");
}
else
if (number > numbers.Length)
{
Console.WriteLine(“{0} is greater than we can understand…”, number);
}
else
{
Console.WriteLine(“thanks for the {0} ! “, numbers[number - 1]);
}
}
else
{
Console.WriteLine(“would be a big effort to inform an integer ?”);
}

}
}
}