#include<iostream> #include<cstdio> using namespace std; int main() { int n,a[101]={},m=0,mi=101,s=0; double p; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; s+=a[i]; if(m<a[i])m=a[i]; if(mi>a[i])mi=a[i]; } p=s*1.0/n; printf("%d %.2lf %d %d",s,p,m,mi); return 0; }