#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ifstream in ("duom.txt");

    int n, sum = 0, m;
    in >> n;

    double average;

    for(int i = 0; i < n; i++) {
        in >> m;
        sum += m;
    }

    average = (double)sum / n;

    in.close();

    ofstream out ("result.txt");

    out << sum << " " << average;

    out.close():

    return 0;
}