#include<iostream> using namespace std; int main(){ int n,a[1000],sum=0,max=0,min=101; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; sum +=a[i]; if(max<a[i]) max=a[i]; if(min>a[i]) min=a[i]; } printf("%d %.2lf %d %d",sum,sum*1.0/n,max,min); return 0; }