using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<int> numbers = Enumerable.Range(1, 25).ToList();

        Console.WriteLine("{0}", string.Join(", ", numbers));

        int[] toRemove = numbers.GetRange(5, 10).ToArray();

        numbers.RemoveAll(number => toRemove.Any(item => item == number));

        Console.WriteLine("{0}", string.Join(", ", numbers));

    }

}