import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int N = scan.nextInt();
		int []a = new int[N];
		for(int i = 0; i < N; i++) {
			a[i] = scan.nextInt();
		}
		scan.close();

		int max = a[N - 1] - a[0];
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < N - 1; i++) {
			if(min > a[i + 1] - a[i]) {
				min = a[i + 1] - a[i];
			}
		}
		System.out.println(min);
		System.out.println(max);
	}
}