class Program
    {
        static void Main(string[] args)
        {
            Point _point1 = new Point("1point", 10, 10);
            Point _point2 = new Point(20, 30);
            Point _point3 = new Point("3point");

            Console.WriteLine(_point1.GetCoordsAndName); //result: (1point, 10, 10)
            Console.WriteLine(_point2.GetCoordsAndName); //result: (, 20, 30)
            Console.WriteLine(_point3.GetCoordsAndName); //result: (3point, 100, 300)


        }

        public class Point
        {

            private int x, y;
            private string name;

            public Point(int x, int y)
            {
                this.x = x;
                this.y = y;
            }

            public Point(string name) : this(100, 300)
            {
                this.name = name;
            }

            public Point(string name, int x, int y) : this(x, y)
            {
                this.name = name;
            }

            public (int,int) GetCoodrds() => (this.x,this.y);
            public string GetName() => this.name;
            public (string, int, int) GetCoordsAndName => (this.name, this.x, this.y);
        }
    }