#include<bits/stdc++.h> using namespace std; int main() { int a[105],n,max=0,min=200,sum=0; double p; 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]; } p=double(sum)/n; printf("%d %.2lf %d %d",sum,p,max,min); return 0; }