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

int numbers[6] = { 5, 2, 4, 3, 1, 6 };

int main ()
{
  partial_sort (numbers, numbers + 3, numbers + 6);
  for (int i = 0; i < 6; i++)
    cout << numbers[i] << ' ';
  cout << endl;
  return 0;
}