//neko.cpp
#include<iostream>
#include<string>
#include<math.h>
#include<stdlib.h>
#include<string>
#include<cstdio>
#include<stack>
#include<algorithm>
#include <map>
#include <stdio.h>
#include <vector>
#include <stdio.h>
#include <time.h>

using namespace std;
int main() {
	int N, b,c;
	int a[1000];
	cin >> N;
	for (int i = 0; i < N; i++) {
		cin >> a[i];
	}
	b = a[1] - a[0];
	for (int i = 0; i < N - 1; i++) {
		b = min(a[i + 1] - a[i], b);
	}
	cout << b << endl;
	cout << a[N - 1] - a[0] << endl;
}