MIXED CONTENT - string and numbers separation in a large string, C#

MIXED CONTENT - string and numbers separation in a large string

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5
/*

Quiz on Code-Eval

You have a string of words and digits divided by comma. Write a program which separates words with digits. You shouldn't change the order elements.

INPUT SAMPLE:

Your program should accept as its first argument a path to a filename. Input example is the following

8,33,21,0,16,50,37,0,melon,7,apricot,peach,pineapple,17,21
24,13,14,43,41
OUTPUT SAMPLE:

melon,apricot,peach,pineapple|8,33,21,0,16,50,37,0,7,17,21
24,13,14,43,41
As you cas see you need to output the same input string if it has words only or digits only.

================================================================
*/

using System;
using System.Linq;
using System.Collections.Generic;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            
            for(int i=0;i<2;i++){
                string[] l=Console.ReadLine().Split(',');
                List<string> fruits=new List<string>();
                List<string> digits=new List<string>();
                foreach(string s in l)
                {
                 if(s.All(char.IsDigit))  
                    digits.Add(s);
                 else
                    fruits.Add(s);
                }
                string output="";
                if(fruits.Count()>0) output=string.Join(",",fruits);
                if(fruits.Count()>0&&digits.Count()>0) output+="|"+string.Join(",",digits);
                if(fruits.Count()==0&&digits.Count()>0) output+=string.Join(",",digits);
                
                Console.WriteLine(output);
            }
        }
    }
    
    
    
}


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