#include<stdio.h>
#include<algorithm>
#define maxm 505
double a[maxm]={0};
int main()
{
	freopen("stats.in","r",stdin);
	freopen("stats.out","w",stdout);
	int i,tot=0,n,w;
	double m,z,q;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		scanf("%lf",&a[i]);
		tot=tot+a[i];
	}
	q=n;
	std::sort(a+1,a+n+1);
	m=tot/q;
	if(n%2==1)
	{
		w=(n+1)/2;
		z=a[w];
	}
	else if(n%2==0)
	{
		w=n/2;
		z=(a[w]+a[w+1])/2;
	}
	printf("%.6lf\n%.6lf",m,z);
}