#include<list>
#include<iterator>
#include<string>
#include<iostream>
using namespace std;
int main()
{
string names1[]={"Alice","Helen","Lucy","Susan"};
string names2[]={"Bob","David","Levin","Mike"};
list<string>s1(names1,names1+4);
list<string>s2(names2,names2+4);
s2.splice(s2.end(),s1,s1.begin());
list<string>::iterator iter1=s1.begin();
advance(iter1,2);
list<string>::iterator iter2=s2.begin();
++iter2;
list<string>::iterator iter3=iter2;
advance(iter3,2);
s1.splice(iter1,s2,iter2,iter3);
copy(s1.begin(),s1.end(),ostream_iterator<string>(cout," "));
cout<<endl;
copy(s2.begin(),s2.end(),ostream_iterator<string>(cout," "));
cout<<endl;
return 0;
}