#include<iostream> using namespace std; int a[1000000]; int main(){ int n,max,s,sum=0; double every=0.0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; } max=a[1]; s=a[1]; for(int i=1;i<=n;i++){ sum=sum+a[i]; if(a[i]>max){ max=a[i]; } if(a[i]<s){ s=a[i]; } } every=(sum*1.0)/n; cout<<sum<<" "; printf("%2.lf",every); cout<<" "<<max<<" "<<s<<endl; return 0; }