#include<bits/stdc++.h> using namespace std; int main(){ int a[100],b; int max,min; cin>>b; double s=0; for(int i=1;i<=b;i++){ cin>>a[i]; } for(int i=1;i<=b;i++){ max=a[1]; min=a[2]; s+=a[i]; if(a[i]>max){ max=a[i]; } if(a[i]<min){ min=a[i]; } } cout<<s<<" "; printf("%.2lf",s/b); cout<<" "<<max<<" "<<min; return 0; }