public class Pair {

    private int x;
    private int y;
    private boolean z;

    /**
     * Pair constructor
     * 
     * @param x an integer
     * @param y an integer
     */
    public Pair(int x, int y) {
        this.x = x;
        this.y = y;
    }
    
    /**
     * Pair constructor
     * 
     * @param x an integer
     * @param z a boolean
     */
    public Pair(int x, boolean z) {
        this.x = x;
        this.z = z;
    }

    /**
     * Returns the value stored in x
     * 
     * @return the value stored in x
     */
    public int getX() {
        return this.x;
    }

    /**
     * Returns the value stored in y
     * 
     * @return the value stored in y
     */
    public int getY() {
        return this.y;
    }
    
    /**
     * Returns the boolean stored in z
     * 
     * @return the boolean stored in z
     */
    public boolean getZ() {
        return this.z;
    }
    
    /**
     * Modifies the value stored in x
     * 
     * @param x the new value to store in x
     */
    public void setX(int x) {
    	this.x = x;
    }
    
    /**
     * Modifies the value stored in y
     * 
     * @param y the new value to store in y
     */
    public void setY(int y) {
    	this.y = y;
    }
}