text: #include <iostream>
  #include <fstream>
  #include <iomanip>
  #include <vector>
  
  /*int main() {
      std::ifstream input("input.txt");
  
      if (input) {
  
          std::vector<double> int_container;
          double number;
  
          for (int i = 0; i <= 2; i++) {
              input >> number;
              int_container.push_back(number);
  
          }
  
          for (const auto &elem: int_container) {
  
              std::cout << std::fixed << std::setprecision(3);
              std::cout << elem << std::endl;
          }
      }
  
      return 0;
  }*/