#include <bits/stdc++.h> using namespace std; int main (){ int n,a[101],s1,m1,min1; cin>>n; cin>>a[1]; s1=a[1]; m1=a[1]; min1=a[1]; for(int i=2;i<=n;i++){ cin>>a[i]; s1+=a[i]; if(m1<a[i])m1=a[i]; if(min1>a[i])min1=a[i]; } printf("%d %.2lf %d %d",s1,s1*1.0/n,m1,min1); return 0; }