#include<bits/stdc++.h>
using namespace std;
int main(){
long double n,a;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a;
		sum+=a;
	}
	cout<<sum<<" ";
	double ans=sum*1.0/n;
	printf("%.5f",ans);
	return 0;
	
}