#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	double n,a[10001],maxn=0,tmp;
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
		maxn+=a[i];
	}
	tmp=maxn/n;
	cout<<maxn<<" ";
	printf("%.5lf",tmp);
	return 0;
}