using System;
using System.Collections.Generic;

public class Test
{
	public static void Main()
	{
		int value = 601511616;
		List<int> digits = new List<int>();
		
		while (value > 0) 
		{
		    digits.Add(value % 10);
		    value /= 10;
		}
		
		digits.Reverse(); // Values has been inserted from least significant to the most
		
		Console.WriteLine("Count of digits: {0}", digits.Count);
		
		for (int i = 0; i < digits.Count; i++)
		{
			if (i > 0 && i % 3 == 0) Console.Write(","); // Insert comma after every 3 digits
		    Console.Write("{0}", digits[i]);
		}
	}
}