public class WindowsExplorer {

    public static void main(String[] args) throws Exception {
        int i,j,k;

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int N = Integer.parseInt(br.readLine());
        String commands[] = new String[N];

        for (i=0;i<N;i++)
            commands[i] = br.readLine();

        br.close();

        SLLTree<String> tree = new SLLTree<String>();
        tree.makeRoot("c:");
        SLLNode<String> current = tree.root;

        for (String command : commands) {

            if (command.contains(" ")) {

                String[] parts = command.split(" ");
                command = parts[0];

                if (command.equals("CREATE")) {
                    tree.addChild(current, parts[1]);
                }
                if (command.equals("OPEN")) {
                    SLLNode<String> tmp = current.firstChild;
                    while (!tmp.equals(parts[1])) {
                        tmp = tmp.sibling;
                    }
                    current = tmp;
                }

                if (command.equals("DELETE")) {
                    SLLNode<String> tmp = current.firstChild;
                    while (!tmp.equals(parts[1])) {
                        tmp = tmp.sibling;
                    }
                    tree.remove(tmp);
                }

            } else {

                if (command.equals("PRINT")) {
                    tree.printTree();
                }

                if (command.equals("BACK")) {
                    current = current.parent;
                }

                if (command.equals("PATH")) {

                    SLLNode<String> tmp = current;

                    while (!tmp.equals(tree.root)) {
                        System.out.print("\\" + tmp);
                        tmp = tmp.parent;
                    }


                }

            }


        }


    }

}