#include<bits/stdc++.h> using namespace std; int main() { int n; double sum=0.00000; cin>>n; int a[n]; for(int i=0;i<n;i++) { cin>>a[i]; sum=sum+a[i]; } double f=sum/n; cout<<sum<<" "; cout<<fixed<<setprecision(5)<<f<<" "; return 0; }