#include<list>
#include<iostream>
using namespace std;
int main(void){
int a[] = { 2002, 1500, 1700 };
list<int> lis( a, a+3 );
list<int>::iterator iter = lis.begin();
cout << *iter << endl;
list<int>::iterator iter1 = lis.end();
cout<<*iter1<<endl;
return 0;
}