#include <bits/stdc++.h>
#define rep(i, ss, ee) for (int i = ss; i < ee; ++i)
using namespace std;

void solve() {
  int N, x, a = 1e9, b;
  cin >> N;
  vector<int> v(N);
  rep(i, 0, N) { cin >> v[i]; }
  rep(i, 0, N - 1) {
    x = abs(v[i + 1] - v[i]);
    a = min(a, x);
  }
  cout << a << endl;
  cout << abs(v[N - 1] - v[0]) << endl;
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  solve();
  getchar();
}