//inlclude前用define 
#define _USE_MATH_DEFINES

//include
#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<cmath>

using namespace std;
//typedef
typedef vector<int> VI;
typedef vector<string> VS;
typedef vector<char> VC;

int main() {
	int n;
	cin >> n;
	VI a(n);
	for (int i = 0; i < n; i++) cin >> a[i];

	int max_ans=abs(a[n-1]-a[0]);
	int minv=1000000000,div;
	for (int i = 0; i < n-1; i++) {
		div = a[i + 1] - a[i];
		if (min(div, minv) == div) {
			minv = div;
		}
	}
	cout << minv << endl;
	cout << max_ans << endl;
	return 0;
}