else if (it->getTail()  == "put") {
                it++;
                cout << "b" << endl;
                if (!storage.count (it->getTail())) {
                        cerr << "ERROR: Attempt to fetch an undeclared variable: " << it->getTail() << endl;
                        poly temp;
                        temp.nullify();
                        storage.insert(pair<string,poly> (it->getTail(),temp));
                }
                storage[it->getTail()].output();
                cout << it->getHead() << endl; /////
                it++;
                cout << it->getHead() << endl; /////
                it++;
                cout << it->getHead() << endl; //////