#include <iostream>
#include <iomanip>
using namespace std;
int main(){
	double sum=0,a,b;
	cin>>a;
	for(int i=1;i<=a;i++){
	    cin>>b;
	    sum+=b;
	}
	cout<<sum<<" ";
	cout<<fixed<<setprecision(5)<<sum/a;
	return 0;
}