#include <bits/stdc++.h>
using namespace std;
long n;
double a, b;
int main() {
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> a;
        b += a;
    }
    cout<<b<<" ";
    printf("%.5lf", b / n);
    return 0;
}