// C++ program to demonstrate the use of list containers
#include <iostream>
#include <list>
using namespace std;

int main()
{
	// defining list
	list<int> gqlist{12,45,8,6};
    //gqlist.insert( 1, 14, 1 ) ;
	for (auto i1 : gqlist)
	{
		cout << i1 << ' ';
	}

	//gqlist.
	list<int>::iterator it = gqlist.begin();
    advance(it, 2)  ;
    gqlist.insert( it, 1, 14 ) ;

    for (int i1 = 0; i1 < 2; ++i1 )
    {
        gqlist.push_back( i1 * 2 );
        gqlist.push_front( i1 * 3 );
    }
    cout << endl ;
	for (auto i1 : gqlist)
	{
		cout << i1 << ' ';
	}



	return 0;
}