import unibase.collections.List;

class ListSum {
    static void main() {
        List<int> numbers = [2, 4, 6, 8];
        int total = 0;
        for (int i = 0; i < numbers.size(); i = i + 1) {
            total = total + numbers.get(i);
        }
        print(total);
    }
}