#include <iostream>
#include <iomanip>
using namespace std;

int n, tmp;
double ans;

int main()
{
    cin >> n;
    for (int i = 1; i <= n; ++i)
    {
        cin >> tmp;
        ans += tmp;
    }
    cout << ans << " ";
    ans /= n;
    cout << fixed << setprecision(5) << ans;
    return 0;
}