#include <iostream>
#include <algorithm>
using namespace std;
int main() {
	int n, a[1000];
	cin >> n;
	for (int i = 0; i < n; i++)
		cin >> a[i];
	int ans = 1e9;
	for (int i = 0; i < n - 1; i++)
		ans = min(ans, a[i + 1] - a[i]);
	cout << ans << endl;
	cout << a[n - 1] - a[0] << endl;
}