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