#include <iostream>
#include <string>
#include <list>
using namespace std;

int main()
{
    list<string> object;

    object.push_front("Hello"s);
    object.push_back("World"s);

    list<string> argument(object);

    object.splice(++object.begin(), argument);

    cout << "Object contains " << object.size() << " elements, " <<
            "Argument contains " << argument.size() <<
            " elements,\n";

    while (object.size())
    {
        cout << object.front() << '\n';
        object.pop_front();
    }
}