using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List<test> a = new List<test>();

        a.Add(new test(1));

        a.Add(new test(1.10M));

        a.Add(new test(1.20M));

        a.Add(new test(2));

        a.Add(new test(2.10M));

        a.Add(new test(2.20M));

        foreach(var n in a.Where(x => x.number % 1 == 0)) {

            Console.WriteLine(n.number);

        }

    }

    public class test {

        public decimal number {get;set;}

        public test(decimal n) {

            number = n;

        }

    }

}