#include<bits/stdc++.h>
using namespace std;
int b;
double s,a;
int main()
{
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
    	cin>>b;
    	s=s+b;
	}
	cout<<s<<" ";
	printf("%0.5lf",s/n);
    return 0;
}