using System;
using System.Text;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using static System.Console;
using static System.Math;

namespace YukiCoder
{
    public class Program
    {
        public static void Main(string[] args)
        {
            new Program().Solve();
        }

        public void Solve()
        {
            int n = int.Parse(ReadLine());
            int[] a = Console.ReadLine().Split().Select(x => int.Parse(x)).ToArray();
            Array.Sort(a);

            bool isDuplicated = false;
            for (int i = 0; i < a.Length - 1; i++)
            {
                for (int j = i + 1; j < a.Length; j++)
                {
                    if (a[i] == a[j]) isDuplicated = true;
                }
                
            }

            int min;
            if (isDuplicated) // same num
            {
                min = 0;
            }
            else
            {
                min = Abs(a[0] - a[1]);
            }
            
            WriteLine(min);
            WriteLine(Abs(a[0] - a[a.Length -1]));

        }
    }
}