PointClass

class Point
    {
        private int x;
        private int y;
        private string name;
        public int X
        {
            get
            {
                return this.x;
            }
            set
            {
                this.x = value;
            }
        }

        public int Y
        {
            get
            {
                return this.y;
            }
            set
            {
                this.y = value;
            }
        }

        public string Name
        {
            get
            {
                return this.name;
            }
            set
            {
                this.name = value;
            }
        }

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

        public override string ToString()
        {
            return string.Format($"{this.Name}({this.X}, {this.Y})");
        }

        public override bool Equals(object obj)
        {
            Point p = (Point) obj;
            return this.X == p.X && this.Y == p.Y;
        }

        public static bool operator==(Point p1, Point p2)
        {
            return p1.Equals(p2);
        }

        public static bool operator !=(Point p1, Point p2)
        {
            return !p1.Equals(p2);
        }
    }