using System;

using System.Collections.Generic;

using System.Text;

 

namespace UseFor2

{

    /// <summary>

    ///  10 257

    /// </summary>

    class Program

    {

        static void Main(string[] args)

        {

            for (int i=10; ; i++)

            {

                if (i % 2 != 1)

                    continue;

               

                Console.WriteLine(i);

               

                if (i >= 257)

                    break;

            }

        }

    }

}