#include <bits/stdc++.h> using namespace std; int main (){ int n,s1,m1,min; cin>>n; cin>>a[1]; s1=a[1]; m1=a[1]; min=a[1]; int a[101]; for(int i=1;i<=n;i++){ cin>>a[i]; s1+=a[i]; if(m1<a[i])m1=a[i]; if(min>a[i])min=a[i]; } printf("%d %.21f %d %d",s1,s1*1.0/n,m1,min); return 0; }