import java.util.ArrayList;
import java.util.Iterator;

public class Main {
    static String name = "mayiming";
    static ArrayList<Integer> numlist = new ArrayList<>();
    public static void main(String[] args) {
        numlist.add(1);
        numlist.add(2);
        numlist.add(3);
        System.out.println("Hello World"+name);
        for (Integer integer : numlist) {
            System.out.println(integer);
        }
    }

}