#include<iostream>
    #include<cstdio>
    #include<iomanip>
    #include<cmath>
    using namespace std;
    int main(){
    freopen("stats.in","r",stdin);
    freopen("stats.out","w",stdout);
    int a[100000],c,d,i,j,n,t;
    double x,y;
    cin>>n;
    x=0;
    for(i=0;i<n;i++)
    {
    cin>>a[i];
    x=x+a[i];
    }
    x=x/n;
    cout<<setiosflags(ios::fixed)<<setprecision(6);
    cout<<x<<endl;
    for(int i=0;i<n-1;i++)
    for(int j=i+1;j<=n;j++)
    if(a[i]<a[j])
    {
    int t=a[i];
    a[i]=a[j];
    a[j]=t;
    }
	if(n%2==0)
    {y=(a[n/2-1]+a[n/2]);
	y=y/2;}
	else y=a[n/2];
    cout<<setiosflags(ios::fixed)<<setprecision(6);
    cout<<y;
    return 0;
    }