class Solution {

public:

    void SplitString(const string& s, vector<string>& v, const string& c)

    {

        string::size_type pos1, pos2;

        pos2 = s.find(c);

        pos1 = ;

        while (string::npos != pos2)

        {

            v.push_back(s.substr(pos1, pos2 - pos1));

            pos1 = pos2 + c.size();

            pos2 = s.find(c, pos1);

        }

        if (pos1 != s.length())

            v.push_back(s.substr(pos1));

    }

    string toGoatLatin(string S) {

        vector<string> V;

        SplitString(S, V, " ");

        set<char> ST;

        ST.insert('a'); ST.insert('e'); ST.insert('i'); ST.insert('o'); ST.insert('u');

        ST.insert('A'); ST.insert('E'); ST.insert('I'); ST.insert('O'); ST.insert('U');

        string Result = "";

        for (int i = ; i < V.size(); i++)

        {

            string word = V[i];

            char begin = word[];

            string newword = "";

            if (ST.find(begin) != ST.end())//元音

            {

                newword = word + "ma";

            }

            else//辅音

            {

                string a = word.substr();

                string b = word.substr(, );

                newword = a + b + "ma";

            }

            for (int j = ; j <= i; j++)

            {

                newword += "a";

            }

            Result += newword;

            if (i != V.size() - )

            {

                Result += " ";

            }

        }

        return Result;

    }

};