class GString {
  private int number;
  private char note;

  public GString(int num, char n) {
	number = num;
	note = n;
  }

  public int getNumber() {
	return number;
  }

  public char getNote() {
	return note;
  }
}

class Guitar {
	GString[] strings;
	
	public Guitar() {
		strings = new GString[6];
	}
	public void setString(int num, GString str) {
		strings[num-1] = str;
	}
	public GString getString(int num) {
		return strings[num];
	}
}

class ElecGuitar extends Guitar {
	private String type;
	private boolean whammy_bar;

	public ElecGuitar(String t, boolean wbar) {
		super(6)
		type = t;
		whammy_bar = wbar;
	}
}