#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,a,sum=0;
    double ava;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a;
        sum=sum+a;

    }ava=(double)sum/n;
    printf("%d %.5lf",sum,ava);
    
}