# include <iostream>
# include <list>
using namespace std;
void PrintListContents(const list<int> & listInput);
int main(){
list<int> a;
a.push_front(4);
a.push_front(3);
list<int>::iterator iter;
a.push_front(2);
a.push_back(1);
a.push_front(0);
list<int>::iterator it = a.begin();
a.erase(a.begin());
list<int> b;
b.push_front(6);
b.push_front(10);
b.push_front(-1);
b.sort();
PrintListContents(b);
b.reverse();
return 0;
}
void PrintListContents(const list<int> & listInput){
list<int>::const_iterator iter;
for(iter=listInput.begin();iter!=listInput.end();iter++){
cout<<*iter<<endl;
}
}