import java.util.*;

public class Main
{
public static void main(String[] args)
{
int data;
int sel;


Scanner keyboard = new Scanner(System.in);

Q object = new Q();

while(true)
{
System.out.println("###########################");
System.out.println("1. 추가");
System.out.println("2. 삭제");
System.out.println("3. 출력");
System.out.println("4. 종료");
System.out.println("###########################");

System.out.println();
System.out.print("메뉴 선택 : ");
sel = keyboard.nextInt();
System.out.println();

switch(sel)
{

switch(sel)