using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace programPractice
{
    class Program
    {
        static void Main(string[] args) {
            var stArray = Console.ReadLine().Split();
            int[] iArray = new int[2];
            for (int i = 0; i < 2; i++)
            {
                iArray[i] = Int32.Parse(stArray[i]);
            }

            for (int k = iArray[0]; k < iArray[1]+1; k++)
            {
                string stk = k.ToString();
                if (k % 3 == 0)
                {
                    Console.WriteLine(k);
                }else if (stk.Contains("3"))
                {
                    Console.WriteLine(k);
                }
            }
        }

    }
}