import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] a = new int[n]; for(int i = 0; i < n; i++) { a[i] = sc.nextInt(); } int max = a[n - 1] - a[0]; int min = (int)Math.pow(10, 6); for(int i = 0; i < n - 1; i++) { min = Math.min(min, a[i + 1] - a[i]); } System.out.println(min); System.out.println(max); } }