class Coords
{
    public int x, y;

    // Default constructor:
    public Coords()
    {
        x = 0;
        y = 0;
    }

    // A constructor with two arguments:
    public Coords(int x, int y)
    {
        this.x = x;
        this.y = y;
    }

    // Override the ToString method:
    public override string ToString()
    {
        return $"({x},{y})";
    }
}

class MainClass
{
    static void Main()
    {
        Coords p1 = new Coords();
        Coords p2 = new Coords(5, 3);

        // Display the results using the overriden ToString method:
        Console.WriteLine("Coords #1 at {0}", p1);
        Console.WriteLine("Coords #2 at {0}", p2);
        Console.ReadKey();
    }
}
/* Output:
 Coords #1 at (0,0)
 Coords #2 at (5,3)        
*/