#include<bits/stdc++.h> using namespace std; int a[101]; 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<<endl; }