using System;
using System.Collections.Generic;
using System.Linq;

namespace ContestCSharp {
    internal class Program {
        private static void Main() {
            string[] numbers = Console.ReadLine().Split( ' ' );
            UInt32 a, b;
            UInt32.TryParse( numbers[ 0 ], out a );
            UInt32.TryParse( numbers[ 1 ], out b );
            for (var i = a; i <= b; ++i) {
                if (i % 3 == 0) {
                    Console.WriteLine( i );
                } else {
                    if (i.ToString().IndexOf( '3' ) >= 0) {
                        Console.WriteLine( i );
                    }
                }
            }
        }
    }
}