#include<bits/stdc++.h> using namespace std; int main() { int a,b[101],sum=0,maxn=0,minn=100; double pj; cin>>a; for(int i=1;i<=a;i++) { cin>>b[i]; sum+=b[i]; } pj=sum*1.0/a; for(int i=1;i<=a;i++) { if(maxn<b[i]) { maxn=b[i]; } } for(int i=1;i<=a;i++) { if(minn>b[i]) { minn=b[i]; } } cout<<sum<<" "; printf("%.2f",pj); cout<<" "<<maxn<<" "<<minn<<endl; return 0; }