#include<bits/stdc++.h> using namespace std; int a[101]; int main(){ int n,sum=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; sum+=a[i]; } double pjf; int zf,g=0,d=100; zf=sum; cout<<zf<<" "; pjf=sum*1.0/n; printf("%.2lf ",pjf); for(int i=1;i<=n;i++){ if(a[i]>g){ g=a[i]; } if(a[i]<d){ d=a[i]; } } cout<<g<<" "<<d<<" "; return 0; }