using System;

namespace Lecture5
{
    class Program
    {
        bool isThreeMul(int value)
        {
            return value % 3 == 0;
        }

        bool isThree(int value)
        {
            string number = value.ToString();

            for (int i = 0; i < number.Length; i++)
            {
                if (number[i] == '3')
                {
                    return true;
                }
            }

            return false;
        }

        bool check(int value)
        {
            Program program = new Program();

            if (program.isThreeMul(value) || program.isThree(value))
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        static void Main(string[] args)
        {
            Program program = new Program();
            string[] row = Console.ReadLine().Split();
            int A = int.Parse(row[0]);
            int B = int.Parse(row[1]);

            for (int number = A; number <= B; number++)
            {
                if (program.check(number))
                {
                    Console.WriteLine(number);
                }
            }
        }
    }
}