#include <bits/stdc++.h>
#define int long long 
using namespace std;

signed main() {
  int N;
  cin >> N;
  
  vector<int> A(N);
  int syou = 1000000000;
  for( int i = 0; i < N; i++ ){
    cin >> A.at(i);
    if( i > 0 && A.at(i) - A.at(i-1) < syou ) syou = A.at(i) - A.at(i-1);
  }
  cout << syou << endl;
  cout << A.at(N-1) - A.at(0) << endl;
}