using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Globalization;

namespace Test11
{
    class Program
    {
        static void Main(string[] args)
        {
            System.Threading.Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;

            bool isRunning = true;
            int radius = 2;
            double radiusPow = Math.Pow(radius, 2);

            while (isRunning)
            {
                Console.WriteLine("Enter X:");
                int X = int.Parse(Console.ReadLine());
                Console.WriteLine("Enter Y:");
                int Y = int.Parse(Console.ReadLine());

                double point = Math.Pow(X, 2) + Math.Pow(Y, 2);

                Console.WriteLine(point == radiusPow ? "The point is on the circle." : (point < radiusPow ? "The point is inside the circle." : "The point is outside the circle."));

                ConsoleKeyInfo toBeContinued = Console.ReadKey();
                Console.WriteLine();
                if (toBeContinued.KeyChar == 'N' || toBeContinued.KeyChar == 'n')
                {
                    isRunning = false;
                }
            }
        }
    }
}