#include<bits/stdc++.h> using namespace std; int main() { int n,a[101],maxn=0,minn=100,sum=0; float pj; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; sum+=a[i]; if(a[i]>maxn) maxn=a[i]; if(a[i]<minn) minn=a[i]; } pj=float(sum)/n; cout<<sum<<" "; printf("%.2f",pj); cout<<" "<<maxn<<" "<<minn; return 0; }