import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList arrayList = new ArrayList();
arrayList.add("1");
arrayList.add("2");
arrayList.add("3");
System.out.println(arrayList.get(0));
System.out.println(arrayList.get(1));
System.out.println(arrayList.get(2));
}
}