# include<iostream> using namespace std; int main(){ int n,a[110],maxn=0,minn=100; double ave,tot=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; tot+=a[i]; if(maxn<a[i]) maxn=a[i]; if(minn>a[i]) minn=a[i]; } ave=tot/n; printf("%.0lf %.2lf %d %d\n",tot,ave,maxn,minn); return 0; }