#include <bits/stdc++.h>
using namespace std;
int main(){
    double n,sum = 0,num;
    double avg;
    cin >> n;
    for(int i = 1;i <= n;i++){
        cin >> num;
        sum += num;
    }
    avg = sum / n;
    cout << sum << " ";
    cout << fixed << setprecision(5) << avg;
    return 0;
}