#include<iostream>        
#include<iomanip>        
#include<cstdio>      
   using namespace std;    
   int main(){      
    freopen("stats.in","r",stdin);        
    freopen("stats.out","w",stdout);
	cout<<setiosflags(ios::fixed)<<setprecision(6);
	int a,n[510],i;
	double p=0,z;
	cin>>a;
	for(i=0;i<a;i++)
		cin>>n[i];
	for(i=0;i<a;i++)
		p=p+n[i];
        for(int i=0;i<=a-1;i++)    
            for(int j=i+1;j<=a-1;j++)    
                {if(n[i]<n[j])    
                {    
                    int t=n[i];    
                    n[i]=n[j];    
                    n[j]=t;}}
				if(a%2==1)
					z=n[(a+1)/2-1];
				if(a%2==0)
					z=(n[a/2-1]+n[(a/2)])/2.0;
				cout<<p/a<<endl;
				cout<<z;
				return 0;}