#include<bits/stdc++.h>
using namespace std;
int a[10001];
int main()
{
	int n, sum = 0;
	cin >> n;
	for(int i = 1; i <= n; i ++)
	{
		cin >> a[i];
		sum += a[i];
	}
	cout << sum << " " << fixed << setprecision(5) << sum / n;
	return 0;
}