/**
knakul853
**/
class Solution {
public:
    string reverseWords(string s) {

        int n = (int)s.size();

        istringstream in(s);
        s="";
        string word;
        while( in >> word )
        {
            reverse(word.begin(), word.end());

            s+=word + " ";
        }

        int m = s.size();

        return s.substr(0, m-1);

    }
};