#include <iostream>
#include <cstdio>
#include <iomanip>
using namespace std;
long double shu[501];
int main(){
freopen("stats.in","r",stdin);
freopen("stats.out","w",stdout);
int n;long double b,temp;
cin>>n;b=0;
for(int a=1;a<=n;a++){cin>>shu[a];b+=shu[a];}
for(int a=1;a<=n;a++){for(int c=1;c<=n-a;c++){
if(shu[a]<shu[a+c]){temp=shu[a];shu[a]=shu[a+c];shu[a+c]=temp;}}}
cout<<setiosflags(ios::fixed)<<setprecision(6);
cout<<b/n<<endl;
if(n%2==0)cout<<setiosflags(ios::fixed)<<setprecision(6)<<(shu[n/2]+shu[n/2+1])/2;
else cout<<setiosflags(ios::fixed)<<setprecision(6)<<shu[n/2+1];
 
 
 
 
 
 
}