import java.util.*;

public class app {
	public app() {
		;
	}
	public ArrayList<String> pplargura (int i) {
		ArrayList<String> l = new ArrayList<String>();
		ll.add("a");
		return l;
	}
	public static void main (String[] args) {
		int i = 0;
		ArrayList<String> l = new ArrayList<String>();
		l = pplargura(i);
		Iterator it = l.iterator();
		while (it.hasNext()) {
			System.out.println(it.next());
		}
	}
}