#include<bits/stdc++.h> using namespace std; int a[105]; int main(){ int n; int c; int s=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; s += a[i]; } cout<<s<<" "; printf("%.2lf",s*1.0/n); cout<<" "; int max=-1; int min=101; 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; }