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