#include<bits/stdc++.h> using namespace std; int main(){ int n,sum=0,a[250]; float avg; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; sum+=a[i]; } avg=(float)sum/n; for(int i=2;i<=n;i++){ int t=a[i],j=i-1; while(j>=1 && a[j]<t){ a[j+1]=a[j]; j--; } a[j+1]=t; } cout<<sum<<endl; cout<<fixed<<setprecision(2)<<avg<<endl; for(int i=1;i<=n;i++){ cout<<a[i]<<" "; } return 0; }