//Изчислява разстоянието между центровете на кръговете.
        static void CalculateDistance(Circles circleOne, Circles circleTwo)
        {
            var intersect = (Math.Sqrt(Math.Pow((circleTwo.X - circleOne.X), 2) + Math.Pow((circleTwo.Y - circleOne.Y), 2)))
                - (circleOne.R + circleTwo.R);

            PrintOutput(intersect);
        }
        //Извиква класа Circlen и създава нови кръгове. 
        static void CreateCircle(List<double> firstCircleCoordinate, List<double> secondCircleCoordinate)
        {
            Circles circleOne = new Circles();
            circleOne.X = firstCircleCoordinate[0];
            circleOne.Y = firstCircleCoordinate[1];
            circleOne.R = firstCircleCoordinate[2];

            Circles circleTwo = new Circles();
            circleTwo.X = secondCircleCoordinate[0];
            circleTwo.Y = secondCircleCoordinate[1];
            circleTwo.R = secondCircleCoordinate[2];

            CalculateDistance(circleOne, circleTwo);
        }