#include <iostream>
#include <iterator>
#include <algorithm>
int main()
{
std::list<int> intList;
std::front_insert_iterator<list<int> > it(intList);
*it = 10;
*it = 20;
*it = 30;
std::copy(intList.begin(), intList.end(), std::ostream_iterator<int>(cout, "\n"));
return 0;
}