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