using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        int Count = 0;

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

        while (Count < 20){

            if (Count % 2 == 1)

                Numbers.Add(Count);

            Count++;

        }

        foreach (int x in Numbers){

            Console.WriteLine(x);

        }

    }

}