#include<iostream>
#include <algorithm>
#include<string>
#include <bitset>
#include <vector>
#include <functional>
#include <climits>
#include <iomanip>
#include <utility>
using namespace std;
typedef pair <int, int> pii;
int main()
{

	//int a = 0, b = 0, c = 0, d = 0, e = 0, f = 0, g = 0, h = 0, ans = 0;
	int a = 0, b = 0, c = 0, d = 0, e = 0, f = 0, g = 0, h = 0, i = 0, j = 0, k = 0, l = 0, ans = 0;
	//cout << LONG_MAX << endl;
	string s, t;
	//long long n, A[1000000000];
	long long n, m;
	//int   y[100001], z[100001], x[10001] = {};
	//pii y[100001];
	//pair<int, float> pii[100001];
	int x[1003];
	cin >> n;
	for ( a = 0; a < n; a++)
	{
		cin >> x[a];
	}
	d = 10000000000;
	for ( a = 0; a < n; a++)
	{
		for ( b = 0; b < n; b++)
		{
			if (a!=b)
			{

			c = max(abs(x[a] - x[b]), c);
			d = min(abs(x[a] - x[b]), d);
			}
		}
	}
	////std::cout << std::fixed;
	//cout << std::setprecision(20) << << endl;
	cout << d << endl;
	cout << c << endl;

	return 0;
}