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