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