#include "bits/stdc++.h"

using namespace std;


int main() {
	int n;
	cin >> n;
	vector<int> a(n);
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	int mi = 1e10;
	for (int i = 0; i < n - 1; i++) {
		mi = min(mi, a[i + 1] - a[i]);
	}
	cout << mi << endl;
	cout << a.back() - a.front() << endl;

	/*int j;
	cin >> j;
	cout << j << endl;*/

	return 0;
}