#include<bits/stdc++.h> using namespace std; int main(){ int a[101],n,sum=0,max=0,min=100; float pj; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; sum+=a[i]; if(a[i]>max) max=a[i]; if(a[i]<min) min=a[i]; } pj=float(sum)/n; cout<<sum<<" "; printf("%.2f",pj); cout<<" "<<max<<" "<<min; return 0; }