class Point
{
  int x;
  int y;

  fn move(int dx, int dy)
  {
    this.x = this.x + dx;
    this.y = this.y + dy;
  }
}

Point point = new Point;
point.x = 1;
point.y = 2;
point.move(9, 8);

if (point.x == 10 && point.y == 10)
  printline("class method passed");
else
{
  printline("class method failed");
  exit(1);
}