#include <iostream>
#include <string>

using namespace std;

class Node
{
    Node *left, *right;
    string data;

public:
    Node(const string &data)
    {
        this->data = data;
        left = right = 0;
    }

    Node(const string &data, Node *left, Node *right)
    {
        this->data = data;
        this->left = left;
        this->right = right;
    }

    ~Node()
    {
        delete left;
        delete right;
    }

    friend void write(const Node*, ostream&, size_t);
};

typedef Node *Tree;

void write(const Node *tree, ostream &out, size_t space  = 0)
{
    if (tree == 0) {
        out << endl;

        return;
    }

    write(tree->left, out, space + tree->data.size());
    write(tree->right, out, space + tree->data.size());

    for (size_t i = 0; i < space; ++i) {
        out << " ";
    }

    out << tree->data << endl;
}

ostream& operator<<(ostream &out, const Node *tree)
{
    write(tree, out);

    return out;
}

int main()
{
    string data("SUPERPROGRAMERI");
    Tree tree = new Node(data,
                         new Node(data,
                                  new Node(data),
                                  new Node(data)),
                         new Node(data,
                                  new Node(data),
                                  new Node(data)));

    cout << tree << endl;
    delete tree;

    return 0;
}