#include<bits/stdc++.h> using namespace std; int main(){ int n,a[101],sum1=0,max1,min1; cin>>n; cin>>a[1]; sum1=a[1]; max1=a[i]; min1=a[i]; for(int i=2;i<=n;i++){ cin>>a[i]; sum1+=a[i]; if(max1<a[i])max1=a[i]; if(min1>a[i])min1=a[i]; } prinntf("%d %.2lf %d %d",sum1,sum1*1.0/n,max1,min1); return 0; }