/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	static List<String> ll = new ArrayList<String>();
	public static void main (String[] args) throws java.lang.Exception
	{
		
		ll.add(0, new String("AAAA"));
		ll.add(1, new String("BBBB"));
		ll.add(5, new String("5555"));
		
	}
}