#include<bits/stdc++.h>
using namespace std;
int main(){
	double n;cin >> n;
	double a[110];
	long long ans=0;
	for(int i=1;i<=n;i++){
		cin >> a[i];
		ans+=a[i];
	}
	cout << ans << " ";
	cout << fixed << setprecision(5) << ans/n;
	return 0;
}