#include<bits/stdc++.h>
using namespace std;
int main (){
	int n,h=0,i,a[160],j;
	float p;
	cin>>n;
	for(i=0;i<n;i++){
		cin>>a[i];
		h=a[i]+h;
	}	
	cout<<h<<endl;
	p=h*1.00/n;
	printf("%.2f\n",p);
	for(i=n-1;i>0;i--){
		for(j=0;j<i;j++){
			if(a[j]>a[j+1]){
				swap(a[j],a[j+1]);
			}
		}
	}
	for(i=0;i<n;i++){
		cout<<a[i]<<" ";
	}
}
/**************************************************************
	Problem: 1175
	User: cyp
	Language: C++
	Result: Wrong Answer
****************************************************************/