/** @file list1204.cpp */
/** Listing 12-4. Mystery Function */
#include <algorithm>
#include <cassert>
#include <iostream>
#include <iterator>
#include <ostream>
#include <string>
#include <vector>

int main()
{
  int v;
  std::vector<int> data;
  std::vector<int>::iterator i, p;
  std::string s;

  std::copy(std::istream_iterator<int>(std::cin),
            std::istream_iterator<int>(),
            std::back_inserter(data));
  i = data.begin();

  while (i != data.end())
  {
    v = *i;
    p = std::lower_bound(data.begin(), i, v);
    i = data.erase(i);
    data.insert(p, v);
  }

  s = " ";
  for (p = i, i = data.begin(); i != data.end(); p = i, ++i)
  {
    if (p != data.end())
      assert(not (*i < *p));
  }

  std::cout << '{';
  for (i = data.begin(); i != data.end(); ++i)
  {
    v = *p;
    std::cout << s << v;
    s = ", ";
  }
  std::cout << " }\n";
}