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