#include<bits/stdc++.h> using namespace std; int a[105]; int main(){ int n; int s=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; s += a[i]; } cout<<s<<" "; printf("%.2lf",s*1.0/n); for(int i=1;i<=n;i++){ if(max<a[i]) max=a[i]; if(min>a[i]) min=a[i]; } cout<<max<<" "<<min<<endl; return 0; }