#include<bits/stdc++.h> using namespace std; int a[105]; int main(){ int n; int 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); 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; return 0; }