#include<bits/stdc++.h>
using namespace std;
double a,n,b[301],s,m=300,c,d;
int main()
{
	cin>>a;
	for(int i=1;i<=a;i++){
		cin>>b[i];
		if(b[i]>n){
			n=b[i];
		}
		if(b[i]<m){
			m=b[i];
		}
		s+=b[i];
	}
	s-=m+n;
	c=m;
	s/=(a-2);
	printf("%.2lf",s);
	cout<<" ";
	m=0;
	for(int i=1;i<=a;i++){
		if(b[i]-s>m&&b[i]!=c&&b[i]!=n){
			m=b[i]-s;
		}
		if(s-b[i]>m&&b[i]!=c&&b[i]!=n){
			m=s-b[i];
		}
	} 
	printf("%.2lf",m);
	return 0;
}