import java.util.Arrays;
import java.util.List;

public class ReverseListUser {
    public static void main(String... args) {
        List<String> L = Arrays.asList(args);

        for (String s : L) {
            System.out.print(s + " ");
        }
        System.out.println();

        for (String s : new ReverseList<String>(L)) {
            System.out.print(s + " ");
        }
        System.out.println();
    }

}