#include<bits/stdc++.h>
using namespace std;
int maxx=-100000000,minn=1000000000;
int main(){
vector<int> b;
long long n,a[1000],ans=0;
double sb;
cin>>n;
for(int i=1;i<=n;i++){
cin>>sb;
maxx=max(maxx,sb);
minn=min(minn,sb);
ans+=sb;
b.push_back(sb);
}
ans=1.0*(ans-maxx-minn)/(n-2);
for(int i=1;i<=n;i++){
a[i]=pow(b[i-1]-ans);
}
sort(a+1,a+n);
cout<<fixed<<setprecision(2)<<ans<<" "<<a[n];
return 0;
}