#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin >> n;
	double sum = 0;
	double ping;
	for(int i = 1;i <=n;i++){
		double num;
		cin >> num;
		sum += num;
	}
	ping = sum/n;
	cout << sum << " ";
	printf("%.5lf",ping);
	return 0;  
}