using System;
using System.Linq;
public class Hello{
    public static void Main(){
        
        int n = int.Parse(Console.ReadLine());
        var nums = Console.ReadLine().Split().Select(int.Parse).ToArray();
        int dif = nums[n-1] - nums[0];
        int tmp=0;
        
        for(int i=0;i<n-1;i++){
            tmp=(Math.Abs(nums[i+1]-nums[i]));
            if(dif>tmp)
                dif=tmp;
        }
        
        Console.WriteLine(dif);
        Console.WriteLine(nums[n-1] - nums[0]);
        
    }
}