#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	freopen("stats.in","r",stdin);
	freopen("stats.out","w",stdout);
	int a[501];
	double b=0.0;
	int n;
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
		b+=a[i];
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			if(a[i]>a[j]) 
			{
				int t=a[i];a[i]=a[j];a[j]=t;
			}
		}
	}
	b/=n;
	printf("%.6lf",b);
	cout<<endl;
	if(n%2==0)
	{
		printf("%.6lf",(a[n/2]+a[n/2+1])/2);
	}
	else printf("%.6lf",double(a[n/2+1]));
	cout<<endl;
	return 0;
}