public class Point {
    protected int x, y;

    public Point() { x = 0; y = 0; }
    public Point(int x, int y) { this.x = x; this.y = y; }

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

    public int getX() { return x; }
    public int getY() { return y; }

    public String toString() { return String.format("[%d,%d]", x, y); }
}