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