#include <cstdio>
using namespace std;
int n;double temp = 0;
int students[105];
int main(){
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> students[i];
    for (int i = 1; i <= n; i++)
        temp += students[i];
    cout << temp;
    cout << ' ';
    printf("%.5lf", temp / n);
}