#include<iostream>
#include<cstdio>
#include<algorithm>

using namespace std;

int x[510];
int main()
{
	freopen("stats.in","r",stdin);
	freopen("stats.out","w",stdout);
	int n;
	float ans=0;
	cin>>n;
	for(int i=0;i<n;i++)//reset
	{
		cin>>x[i];
	}
	sort(x,x+n);
	for(int i=0;i<n;i++)//evaluation
	{
		ans+=x[i];
	}
	ans+=0.0000002;
	ans/=n;
	printf("%.6f",ans);
	if(n&1)
	{
		n+=1;
		n/=2;
		n=n-1;
		printf("%.6f\n",x[n]);
	}
	else
	{
		n/=2;
		
		float ans2=(x[n]+x[n-1])/2;
		printf("%.6f",ans2);
	}
	cout<<endl;
	return 0;
}