#include<bits/stdc++.h> using namespace std; int main() { int n,a[101]= {0},M=0,K=101; cin>>n; double sum=0,avg=0; for(int i=1;i<=n;i++) { cin>>a[i]; sum+=a[i]; if(a[i]>M) M=a[i]; if(a[i]<K) K=a[i]; } avg=sum/n; cout<<sum<<" "; printf("%.2lf",avg); cout<<M<<" "<<K<<endl; return 0; }