class Program
{
    static void Main(string[] args)
    {
        string total = Console.ReadLine()!;
        string[] input = Console.ReadLine()!.Split(' ');
        List<int> numList = new List<int>();

        for (int i = 0; i < input.Length; i++)
        {
            numList.Add(int.Parse(input[i]));
        }
        numList.Sort();

        int min = numList[1] - numList[0];
        if (min < 0)
        {
            min *= -1;
        }
        int max = numList[numList.Count - 1] - numList[0]; 
        for (int i = 1;i < numList.Count - 1; i++)
        {
            int num = numList[i + 1] - numList[i];
            if (num < 0)
            {
                num *= -1;
            }

            if (num <  min)
            {
                min = num;
            }
        }

        Console.WriteLine(min);
        Console.WriteLine(max);
    }
}