const char* get_type(int s) {
  const char* ret;
  switch (s)
  {
  case 1:
  case 2:
  case 3:
  case 4:
  case 5:
  case 6:
  case 7:
    ret = "yes";
    break;

  default:
    ret = "no";
    break;
  }
  return ret;
}