Help for getting two inputs for a method c#

Question

How Do I get two inputs for this method? it gives me Error CS1503

static int Pow(int x, int y = 2)
{
int result = 1;
for (int i = 0; i < y; i++)
{
result *= x;
}
return result;
}
static void Main(string[] args)
{
Console.WriteLine(Pow (Convert.ToInt32(Console.ReadLine())), Convert.ToInt32(Console.ReadLine()));
}