#include <iostream>
#include <vector>

using namespace std;

class Folder
{
public:
    string name;

    Folder(string name)
    {
        Folder(name, NULL);
    }

    string getFullDirectory()
    {
        string result;

        if(parent != NULL)
            result += parent->getFullDirectory();

        result += '/' + name;

        return result;
    }

    Folder* addFolder(string name)
    {
        Folder *folder = new Folder(name, this);
        folders.push_back(folder);
        return folder;
    }

    Folder* getParent()
    {
        return parent;
    }

private:
    Folder *parent;
    vector<Folder*> folders;

    Folder(string name, Folder *parent)
    {
        this->name = name;
        this->parent = parent;
    }
};

string simplifyPath(std::string path)
{
    if(path[path.size() - 1] != '/')
        path.push_back('/');

    string currentFolderName = "";
    string result = "";
    Folder *root = new Folder("/");
    Folder *currentFolder = root;

    for(int i = 0; i < path.size(); i++)
    {
        if(path[i] == '/')
        {
            if(currentFolderName == "..")
                currentFolder = currentFolder->getParent();
            else if(currentFolderName != "" && currentFolderName != "/" && currentFolderName != ".")
                currentFolder = currentFolder->addFolder(currentFolderName);

            currentFolderName = "";
        }
        else
            currentFolderName += path[i];
    }

    result = currentFolder->getFullDirectory();

    return result.substr(1, result.size() - 1);
}

int main()
{
    cout << simplifyPath("/a/./b/../../c/") << endl;
    return 0;
}