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