#include<bits/stdc++.h>
using namespace std;
int a[100001];
int main()
{
	int i=1;
	double c=0,sum=0,n;
	cin>>n;
	for(i;i<=n;i++)
	{
		cin>>a[i];
		sum=sum+a[i];
	}
	c=sum/n;
	cout<<sum<<" ";
	printf("%.5lf",c);
	return 0;
}