# include<iostream> using namespace std; int main(){ int n,sum=0,_max=0,_min=101; cin>>n; double ave=0; int a[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]; } ave=sum*1.0/n; printf("%d %.2lf %d %d\n",sum,ave,_max,_min); return 0; }