#include <bits/stdc++.h> #include<algorithm> using namespace std; int main() { int n; double x=0,a,b,c; double s[n]; cin>>n; for(int i=0;i<n;++i){ cin>>s[i]; } sort(s,s+n); for(int j=1;j<n-1;++j){ x+=s[j]; } cout<<fixed<<setprecision(2)<<1.0*x/n<<" "; a=s[n-1]-1.0*x/n; b=1.0*x/n-s[1]; c=a>b?a:b; cout<<fixed<<setprecision(2)<<c; return 0; }