PointInACircle

using System;

//Write an expression that checks if given podouble (x,  y) is inside a circle K({0, 0}, 2)

class PointInACircle
{
    static void Main()
    {
        Console.Write("Enter x: ");
        double x = double.Parse (Console.ReadLine());
        Console.Write ("Enter y: ");
        double y = double.Parse (Console.ReadLine());
        bool isdoubleheCircle = (((x * x) + (y * y)) <= 2 * 2);
        Console.WriteLine(isdoubleheCircle);
    }
}