#include <iostream>
#include <vector>
#include <iostream>
using namespace std;
class Node {
  public:
  virtual void push(Node *n)  {};
  virtual void print()  {};
};

class Rose : public Node {
   public:
   vector<Node*> *v;
   Rose () {
     v = new vector<Node*>();
     v->reserve(1000); 
   }
  void push(Node * n)  {v->push_back(n);};
  void print()  {
          cout << "[";
          for (Node *x : *v) {
              x->print();
              cout << ",";

          }
          cout << "]";

 };

};


class Leaf : public Node {
    public: char x;
  void print()  {
          cout << x;
 };
};
int main()
{
    Rose rr;
    Rose* r=&rr;
    Rose* rx=&rr;

    for (long i=0;i<40100100; i++) {
        if ((i%1000)!=0) {
          Leaf *l=new Leaf();
          l->x=i%256;
          r->push(l);
        }
        else {
          Rose* l= new Rose();
          r->v->push_back(l);
          r=l;
        }
    }
    //rx->print();
    //cout << "Hello, World!";
    //cin.get();
    return 0;
}