import java.util.Random;

public class Lab31
{
	public static void main(String args[])
	{
		MyList list1 = new MyStack(100);
		MyList list2 = new MyQueuee(100);

		Random rnd = new Random(12345);
		for (int k = 1; k <= 20; k++)
		{
			int rndInt = rnd.nextInt(20) + 10;
			addData(list1,rndInt);
			addData(list2,rndInt);
		}
		showData(list1,list2);
		System.out.println();

		for (int k = 1; k <= 5; k++)
		{
			removeData(list1);
			removeData(list2);
		}
		showData(list1,list2);
		System.out.println();
	}

	public static void addData(MyList l1, int x)
	{
		l1.add(x);
	}
	public static void removeData(MyList l1)
	{
		l1.remove();
	}
	public static void showData(MyList l1, MyList l2)
	{
		System.out.println(l1);
		System.out.println(l2);
	}

}