#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; int cj[100] = {}; double z=0,p=0,zd=0,zx=111111,s = 0; for(int i = 1;i <= n;i++){ cin>>cj[i]; z += cj[i]; } for(int i = 1;i <= n;i++){ if(cj[i]>zd){ zd = cj[i]; }if(cj[i]<zx) zx = cj[i]; } cout<<z<<" "; printf("%.2f\n",z/n); cout<<" "; cout<zd<<" "; cout<<zx; return 0; }