#include <iostream>

#include "jsoncons/json_deserializer.hpp"
#include "jsoncons_ext/csv/csv_reader.hpp"

using namespace std;
using namespace jsoncons;
using namespace jsoncons_ext::csv;

int main(int argc, char** argv) {
    json_deserializer handler;
    csv_reader reader(cin, handler);

    reader.read();

    json result = move(handler.root());

    cout << result << endl;

    return 0;
}