#include <iostream.h>
#include <stl.h>

int main ()
{
  set<int, less<int> > s;
  pair<set<int, less<int> >::const_iterator, bool> p;
  p = s.insert (42);
  if (p.second)
   cout << "Inserted new element " << *(p.first) << endl;
  else
   cout << "Existing element = " << *(p.first) << endl;
  p = s.insert (42);
  if (p.second)
   cout << "Inserted new element " << *(p.first) << endl;
  else
   cout << "Existing element = " << *(p.first) << endl;
  return 0;
}