#include<bits/stdc++.h> using namespace std; int main() { int n,a[101]={ },z=0,max=0,min=100; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; z+=a[i]; if(max<a[i])max=a[i]; if(min>a[i])min=a[i]; } double p=z*1.0/n; cout<<z<<' '; printf("%.2lf ",p); cout<<max<<' '<<min; return 0; }