int main() {
  Database db;
  string command, event, oper;
  char  def1, def2;
  int y, m, d;


  while (getline(cin, command)) {
      event.clear();
      oper.clear();
      stringstream input(command);
      bool flag = true;
      cout << command;
      flag = flag && (input >> oper);
      if (oper != "Print"){
          flag = flag && (input >> y);
          flag = flag && (input >> def1);
          flag = flag && (input >> m);
          flag = flag && (input >> def2);
          flag = flag && (input >> d);
      }

      if (oper == "Add") {
          flag = flag && (input.peek() == ' ');
          flag = flag && (input >> event);
          if (flag){
              try {
                  Date data (y, m, d);
                  db.AddEvent(data, event);
              } catch (range_error err){
                  if ((string)err.what() == "month"){
                      cout << "Month value is invalid: " << m << endl;
                  }
                  else {
                      cout << "Day value is invalid: " << d << endl;
                  }
              }
          } else {
              string wrong;
              for (int i = oper.size()+1; i < command.size() - event.size() - 1; i++){
                  wrong += command[i];
              }
              cout << "Wrong date format: " << wrong << endl;
          }
      }
      else if (oper == "Del") {
          flag = flag && ((input.peek() == ' ')||(input.peek() == '/n'));

          if (flag){
              try {
                  Date data (y, m, d);
                  if (event.empty() == true){
                      db.DeleteDate(data);
                  } else {
                      db.DeleteEvent(data, event);
                  }
              } catch (range_error err){
                  if ((string)err.what() == "month"){
                      cout << "Month value is invalid: " << m << endl;
                  }
                  else {
                      cout << "Day value is invalid: " << d << endl;
                  }
              }
          } else {
              string wrong;
              for (int i = oper.size()+1; i < command.size() - event.size() - 1; i++){
                  wrong += command[i];
              }
              cout << "Wrong date format: " << wrong << endl;
          }
      }
  return 0;
}