#include <bits/stdc++.h>

using namespace std;

int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  int mi = 100000000;
  for (int i = 0; i < n; ++i) {
    cin >> a[i];
    if (i > 0) {
      mi = min(mi, a[i] - a[i - 1]);
    }
  }

  cout << mi << '\n';
  cout << a[n - 1] - a[0] << '\n';
  return 0;
}