static void Main(string[] args)
{
// Declare the first UnaryOperator object.
UnaryOperator opr1 = new UnaryOperator(20, 30);
// Declare the second UnaryOperator object.
UnaryOperator opr2 = new UnaryOperator(10, 40);
// Add them using the overloaded version of the + operator
UnaryOperator result = opr1 + opr2;
// Show the results
result.ShowData();
Console.ReadLine();
}