#include <iostream>
#include <string>

using namespace std;

int main() {
    string phrase{"This is  a     "};
    string word;

    size_t position;
    size_t start{0};

    position = phrase.find(' ');

    while(position != string::npos) {
        word =  phrase.substr(start, position - start);

        if (word.size() != 0) {
            cout << '"' << word << '"' << endl;
        }

        start = position + 1;
        position = phrase.find(' ', position + 1);
    }

    word =  phrase.substr(start, position - start);
    if (word.size() != 0) {
        cout << '"' << word << '"' << endl;
    }


/*
    if(position == string::npos) {
        cout << "Not found " << endl;
    } else {
        cout <<"\"" << key << "\" is at position " 
             << position << " in " << phrase << endl;
    }
*/

    return 0;
}