// CSE 143, Autumn 2013
// This "mystery" program uses ArrayLists.

import java.util.*;

public class Mystery2 {
	public static void main(String[] args) {
		ArrayList<Integer> list = new ArrayList<Integer>();
		for (int i = 1; i <= 5; i++) {
			list.add(2 * i);    // [2, 4, 6, 8, 10]
		}

		// What is the output of the following code?
		int size = list.size();
		for (int i = 0; i < size * 2; i+=2) {
			list.add(i, 42);    // add 42 at index i  
		}
		System.out.println(list);
	}
}