#include<cstdio>
#include<iostream>
#include <iomanip>
using namespace std;
int main(){
	freopen("stats.in","r",stdin);
	freopen("stats.out","w",stdout);
	cout<<setiosflags(ios::fixed)<<setprecision(6);  
double p=0,m,d=0,anm;
int s,q,v;
	int t[5002];
	cin>>s;
	for(int i=1;i<=s;i++){
		cin>>t[i];
		p=p+t[i];
	}
	for(int i=1;i<=s;i++){
		p=t[i]+p;
		d++;
	}
	p=p/2;
	p=p/d;
	cout<<p<<endl;
	for(int i=1;i<=s;i++){
		for(int i=1;i<=s;i++){
			if(t[i]<t[i+1]){
				anm=t[i];
				t[i]=t[i+1];
				t[i+1]=anm;
			}
		}
	}
	if(s/2==0)
	{s=s/2;
	q=s;
	s=s+1;
	v=(t[q]+t[s])/2.0;
	cout<<v;
	}
	else{	s=s+1;s=s/2;
	cout<<(double)t[s];
	}

	return 0;


}