using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Circle
{
    class Program
    {
        static void Main(string[] args)
        {
            Double Radius = 0;          // Radius of a Circle
            Double Diameter = 0;        // Calculated Diameter
            Double Circumference = 0;   // Calculated Circumference
            string Continue = "yes";    // Continue?
            while (Continue != "no")
            {
                Console.WriteLine("Please enter the Radius of your circle in inches:");
                Radius = Convert.ToDouble(Console.ReadLine());
                // Calculations
                Diameter = Radius * 2;
                Circumference = 2 * Math.PI * Radius;
                //Output
                Console.WriteLine("The Diameter of the circle is " + Diameter);
                Console.WriteLine("The Circumference of the circle is " + Circumference);
                Console.WriteLine();
                // Continue?
                Console.WriteLine("Do you wish to Continue? (Yes/No)");
                Continue = Console.ReadLine();
            }
        }
    }
}
[/code]

