import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int max = 0;
        int min = Integer.MAX_VALUE;
        int prev = sc.nextInt();
        int first = prev;
        for (int i = 1; i < n; i++) {
            int cur = sc.nextInt();
            min = Math.min(min, cur - prev);
            max = cur - first;
            prev = cur;
        }
        System.out.println(min);
        System.out.println(max);
    }
}