#include<bits/stdc++.h> using namespace std; int a[108]; int main(){ int n,sum=0; double s; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; sum+=a[i]; } s=sum*1.0/n; int max=a[1],min=a[1]; for(int i=2;i<=n;i++){ if(a[i]>max){ max=a[i]; } if(a[i]<min){ min=a[i]; } } cout<<sum<<" "; printf("%.2lf",s); cout<<" "<<max<<" "<<min; return 0; }