#include<iostream>
#include<cstring>
#include<cstdio>
#include<cmath>
#include<algorithm>
#include<cstdlib>
#include<iomanip>
#define m 998
using namespace std;
int n;
double a[m]={0},pin,zho,he,S=0;
int main()
{
	ios::sync_with_stdio(false);
	freopen("stats.in","r",stdin);
    freopen("stats.out","w",stdout);
	cin>>n;
	for(int i=1;i<=n;i++)
	cin>>a[i];
	for(int i=1;i<=n;i++)
	S=S+a[i];
	pin=S/n;
	sort(a+1,a+n+1);
	//if(n%2!=0)a[n/2+1];
	//if(n%2==0)zho=(a[n/2]+a[n/2+1])/2;
	zho=(n%2!=0)?a[n/2+1]:(a[n/2]+a[n/2+1])/2;
	cout<<setprecision(6)<<setiosflags(ios::fixed)<<pin<<endl;
	cout<<setprecision(6)<<setiosflags(ios::fixed)<<zho<<endl;
	return 0;
}