text: #include "task1.cpp"
  #include "task2.cpp"
  #include "task3.cpp"
  #include "task4.cpp"
  #include "task5.cpp"
  #include "task6.cpp"
  
  int main()
  {
      task1();
      task2();
      task3();
      task4();
      task5();
      // task6(); unfinished
      return 0;
  };
  