#include "List.h"
#include <iostream>

int main()
{
	ecci::List list;
	double value = 0.0;
	while ( std::cin >> value )
		list.add(value);

	double sum = 0.0;
	for ( ecci::List::Iterator itr = list.begin(); itr != list.end(); itr++ )
		sum += *itr;

	list.print();
	std::cout << "\n\nPromedio = " << sum / list.getCount() << std::endl;

	for ( ecci::List::Iterator itr = list.rbegin(); itr != list.rend(); --itr )
		sum += *itr;
}