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

namespace yukicoder
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = Console.ReadLine();
            string[] t = s.Split(' ');
            int a = int.Parse(t[0]);
            int b = int.Parse(t[1]);
            int i, k, f;
            for(i = a;i <= b; i++)
            {
                f = 0;
                if (i % 3 == 0) f = 1;
                for (k = i; k >= 0; k /= 10) if (k % 10 == 3) f = 1;
                if (f == 1) Console.WriteLine("{0}", i);
            }
        
        }

    }
}