#include <iostream>
#include <string>

using namespace std;

int main() {
    string query;
    getline(cin, query);
    string word;
    for (int i = 0; i <= query.size(); ++i) {
        if (query[i] != ' ' && i < query.size()) {
            word += query[i];
        } else {
            cout << "[" << word << "]" << endl;
            word = "";
        }
    }
}