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

int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  int m = 1000000;
  for (int i = 0; i < n; i++) cin >> a[i];
  for (int i = 0; i < n - 1; i++) {
    int d = a[i+1] - a[i];
    if (d < 0) d = -d;
    if (m > d) m = d;
  }
  int M = a[n-1] - a[0];
  if (M < 0) M = -M;
  cout << m << endl;
  cout << M << endl;
  return 0;
}