#include <iostream>
using namespace std;
int main(void) {
	int n, a;
	cin >> n;
	int prev;
	cin >> prev;
	int ans_min = 200200,
		ans_max = prev;
	for (int i = 1; i < n; ++i) {
		cin >> a;
		if (i == n - 1) ans_max = a - ans_max;
		int diff = a - prev;
		ans_min = min(ans_min, diff);
		prev = a;
	}
	cout << ans_min << "\n" << ans_max << "\n";
	return 0;
}