#include <iostream>
#include <string>

using namespace std;

int main() {
    string query;
    getline(cin, query);

    cout << "[";
    string word;
    for (int i = 0; i < query.size(); ++i)
    {
        word = query[i];

        if (word != " ")
        {
            cout << word;
        } else
        {
            cout << "]" << endl << "[";
        }

    }
    cout << "]";
    return 0;
}