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);
  }
}