istream& operator >> (istream& s, CTable& t) {
  if ((t.width == 0) || (t.height == 0)) return s;
  for (unsigned i = 0; i < t.height; i++)
    for (unsigned j = 0; j < t.width; j++) {
      cout << endl << "Enter item[" << i << ", " << j << "] = ";
      s >> t.items[i][j];
    }
  if (s.peek() == '\n') s.ignore();
  return s;
};