What will be the output of this code?

What will be the output of this code?

class Point {
  public int x, y;
  public Point() { x = 0; y = 0; }
  public Point(int a) { x = a; y = a; }
  public Point(int a, int b) { x = a; y = b; }
}

var pt = new Point(5);
Console.WriteLine(pt.x + ","+ pt.y);