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();

            double min = Math.Pow(2, 1024);
            double max = -1;
            for (int i = 0; i < a.Length - 1; i++)
            {
                for (int j = i + 1; j <= a.Length - 1; j++)
                {
                    if (a[j] - a[i] < min)
                    {
                        min = a[j] - a[i];
                    }

                    if (a[j] - a[i] > max)
                    {
                        max = a[j] - a[i];
                    }
                }
            }
            
            WriteLine(min);
            WriteLine(max);
        }
    }
}