#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int sum = 0; for (int i = 0; i < n; i++) { sum = sum + a[i]; } cout<<sum<<" "; printf("%.2f",sum*1.00/n); cout<<" "; int b=0; for(int i=1;i<=n-1;i++){ if(a[i]<a[b]){ b=i; } } int c=0; for(int i=1;i<=n-1;i++){ if(a[i]>a[c]){ c=i; } } cout<<a[c]<<" "<<a[b]; return 0; }