#include<bits/stdc++.h>
using namespace std;
int main()
{
		int a[10];
		int n;
		int t=0,avg=1;
		double sum=0;
		cin>>n;

		
		for(int i=0 ; i<n ; i++){
			cin>>a[i];
			sum+=a[i];
		}	
			
		cout<<sum<<endl;
		
		avg =sum / n;
					
				
		cout<<avg<<endl;						
		for(int i=1;i<=n-1;i++){
			for(int j=0;j<n-i;j++){
				if(a[j]<a[j+1]){
					t=a[j];	
					a[j]=a[j+1];
					a[j+1]=t;
				}
			}	
		}	
		for(int i=0 ; i<n ; i++){
			cout<<a[i]<<" ";
		}


	return 0;
}

/**************************************************************
	Problem: 1175
	User: zy002
	Language: C++
	Result: Wrong Answer
****************************************************************/