#include <iostream> #include<iomanip> using namespace std; int a[165],n,s=0; int main() { cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; s+=a[i]; } 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<<s<<endl; cout<<fixed<<setprecision(2)<<1.0*s/n<<endl; for(int i=1;i<=n;i++){ cout<<a[i]<<" "; } return 0; }