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