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

int main() {
  int N;
  cin >> N;
  int X = 0, Y = 1e9;
  int a;
  cin >> a;
  int c = a, b;
  while (--N) {
    cin >> b;
    Y = min(Y, b - a);
    a = b;
  }
  cout << Y << "\n" << b - c << "\n";
}