using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<int> numberlist = new List<int>();

        Random rnd = new Random();

        for(int i=0; i<100; i++)

        {           

            numberlist.Add(rnd.Next(1,10));

        }

        foreach(int j in numberlist.Where(x => x < 5))

        {

            Console.WriteLine(j);

        }

    }   

​

}