import static java.lang.System.*;

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

public class worldNabeatsu {
	public static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
		BufferedReader reader = new BufferedReader(new InputStreamReader(in));
		String[] inputs = reader.readLine().split(" ");
		int startNum = Integer.parseInt(inputs[0]);
		int endNum = Integer.parseInt(inputs[1]);
		for(int i = startNum; i <= endNum; i++){
			if(validThree(i)){
				System.out.println(i);
			}
		}
	}
	static boolean validThree(int num){
		boolean threeFlg = false;
		String str = String.valueOf(num);
		char[] charBox = str.toCharArray();
		for(int i = 0; i < charBox.length; i++){
			if(charBox[i] == '3'){
				threeFlg = true;
			}
		}
		if(num % 3 == 0 || threeFlg ){
			return true;
		}
		return false;

	}
}