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