text: #pragma once
  
  #include <iostream>
  #include <sstream>
  
  template <class T, class ...Ts>
  static void mtprint(T &&t, Ts &&...ts) {
      std::stringstream ss;
      ss << std::forward<T>(t);
      ((ss << ' ' << std::forward<Ts>(ts)), ...);
      ss << std::endl;
      std::cout << ss.str();
  }
  