#include <iostream>
#include <iomanip>
#include <algorithm>
#include <vector>

int main() {
    int N;
    std::cin >> N;
    std::vector<int> scores(N);
    int total = 0;
    for (int i = 0; i < N; ++i) {
        std::cin >> scores[i];
        total += scores[i];
    }
    std::cout << total << std::endl;
    double average = static_cast<double>(total) / N;
    std::cout << std::fixed << std::setprecision(2) << average << std::endl;
    std::sort(scores.begin(), scores.end(), std::greater<int>());
    for (int i = 0; i < N; ++i) {
        if (i > 0) {
            std::cout << " ";
        }
        std::cout << scores[i];
    }
    std::cout << std::endl;

    return 0;
}
/**************************************************************
	Problem: 1175
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/