/**
knakul853
**/

class Solution {
public:
    string simplifyPath(string path) {

        string res, temp;
        vector<string>st;
        istringstream in(path);

        string word;

        while( getline(in, word, '/') )
        {
           if( word == "" || word == "." ) continue;

            if( word == ".." && !st.empty() ) st.pop_back();
            else if(word != "..")st.push_back(word);
        }

        for(string s:st) res += "/" + s;

        return st.empty() ? "/" : res;
    }
};