int main()
{
  Course tsiu05{"TSIU05", 8};
  tsiu05.add_examination( Part{"UPG1", 2, "G"} );
  tsiu05.add_examination( Part{"LAB1", 2, "G"} );
  tsiu05.add_examination( Part{"TEN1", 4, "5"} );
    
  Course tdiu20 {"TDIU20", 4};
  tdiu20.add_examination( Part{"LAB1", 3, "G"} );
    
  Course taiu10 {"TAIU10", 6};
  taiu10.add_examination( Part{"TEN1", 6, "4"} );

  tsiu05.print(std::cout);
  tdiu20.print(std::cout);
  taiu10.print(std::cout);
    
  return 0;
}