#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;int k=0;int a;
  for(int i=0;i<n;i++){
    cin>>a;k+=a;
  }
  cout<<(4*n-k/(n-1))/2<<' '<<(k/(n-1)-2*n)/2<<endl;
}