using System;

public class Test {
	public static bool isOk (long value) {
		if (value % 3 == 0) {
			return true;
		}
		while (value > 0) {
			if (value % 10 == 3) {
				return true;
			}
			value /= 10;
		}
		return false;
	}
	
	public static void Main(string[] args) {
		string[] nums = Console.ReadLine().Split(' ');
		long min = long.Parse(nums[0]);  // min >= 1
		long max = long.Parse(nums[1]);
		for (long i = min; i <= max; i++) {
			if (isOk(i)) {
				Console.WriteLine(i);
			}
		}
	}
}