Queue get_product(Queue _First, Queue _Second)
{
    if (_First.size() != _Second.size())
    {
        std::cout << "Size must be equal" << std::endl;
        return nullptr;
    }
    else
    {
        const int result_size = _First.size();
        Queue result;

        for (int i = 0; i < result_size; i++)
        {
            int temp = _First.front() * _Second.front();
            _First.pop();
            _Second.pop();
            Queue.push(temp);
        }
        return result;
    }
}