#include <iostream>
#include <string>

using namespace std;

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