#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

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