import java.util.*;

public class Folder extends Element {
    
    private List<Element> elements = new ArrayList<>();
    
    public Folder(String name) {
        super(name);
    }
    
    public void add(Element elem) {
        elements.add(elem);
    }
    
    public int getSize() {
        int size = 0;
        for (Element elem : elements) {
            size = size + elem.getSize();
        }
        return size;
    }
}