#include<bits/stdc++.h> using namespace std; int main() { int a[100],n,zf=0,max=0,min=100; double pjf; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; } for(int i=1;i<=n;i++) { if(a[i]>max) max=a[i]; if(a[i]<min) min=a[i]; zf+=a[i]; } pjf=double(zf)/n; cout<<zf<<" "; printf("%.2f",pjf); cout<<" "<<max<<" "<<min; return 0; }