#include<bits/stdc++.h> using namespace std; int main(){ int a[1001],sum=0,maxn=0,minn=101,n; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; sum+=a[i]; if(a[i]>maxn) maxn=a[i]; if(a[i]<minn) minn=a[i]; } cout<<sum<<" "; printf("%.2f",sum*1.0/n); cout<<" "<<maxn<<" "<<minn; return 0; }