import java.io.*;
import java.util.*;
// reverse linked list
class LL
{public static input in = new input();
public static void fill(LinkedList l)
{for (int x = 1; x <= 10; x++)
{
l.add(new Integer((int)(Math.random()*100+1)));
}
}
public static void reverse(LinkedList l)
{
int spot = 0;
int size = l.size();
while (spot < size)
{l.add(spot,l.removeLast());
spot++;
}
}
public static void main(String[] args) throws IOException
{LinkedList l = new LinkedList();
fill(l);
System.out.println(l);
reverse(l);
System.out.println(l);
}
}