#include <iostream>
#include <list>
using namespace std;
  
typedef list<int> IntegerList;
  
int main()
{
   IntegerList   intList;
  
   for (int i = 1; i <= 10; ++i)
      intList.push_back(i * 2);
  
   for (IntegerList::const_iterator ci = intList.begin();
                      ci != intList.end(); ++ci)
      cout << *ci << " ";
 
   return 0;
}