import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class No00000207_Main3 {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] arr = br.readLine().split(" ");

		for(int i = Integer.parseInt(arr[0]); i <= Integer.parseInt(arr[1]); i++) {
			if(i % 3 == 0 || String.valueOf(i).contains("3")) {
				System.out.println(i);
			}
		}
	}
}