#include <iostream>
#include <vector>
using namespace std;
int INF = 1000000;
int main(){
	int N;
	cin >> N;
	vector<int> a(N);
	for (int i = 0; i < N; i++){
		cin >> a[i];
	}
	int ans = INF;
	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;
}