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