#include<iostream> using namespace std; int main() { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int snm = 0; for (int i = 0; i < n; i++) { snm = snm + a[i]; } cout << snm << " "; double avg; avg=snm*1.0/n; printf("%.2f",avg); return 0; }