#include "bits/stdc++.h"

using namespace std;

int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  int mi = (int)1e9;
  for (int i = 0; i < n - 1; i++) {
    mi = min(mi, a[i + 1] - a[i]);
  }
  cout << mi << endl;
  cout << a.back() - a.front() << endl;
}