import static java.lang.System.*;

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

public class worldNabeatsu_2 {
	static final int FIRST_MIN = 1;
	static final int SECOND_MIN = 1;
	static final int DIFF_MIN = 0;
	static final int FIRST_MAX = 2000000000;
	static final int SECOND_MAX = 2000000000;
	static final int DIFF_MAX = 100;
	public static void main(String[] args) {
		InputStreamReader re = new InputStreamReader(System.in);
		BufferedReader reader = new BufferedReader(new InputStreamReader(in));
		ArrayList<Integer> answerList = new ArrayList<Integer>();
		try{
			String[] inputs = reader.readLine().split(" ");
			int firstNum = Integer.parseInt(inputs[0]);
			int secondNum = Integer.parseInt(inputs[1]);
			int diff = secondNum - firstNum;
			if(numJudge(firstNum, FIRST_MIN, FIRST_MAX)
					&&numJudge(secondNum, SECOND_MIN, SECOND_MAX)
					&&numJudge(diff, DIFF_MIN, DIFF_MAX)){

				for(int i = firstNum; i <= secondNum; i++){
					if(threeJudge(i)){
						answerList.add(i);
					}else if(i % 3 == 0){
						answerList.add(i);
					}
				}

				for(int display : answerList){
					System.out.println(display);
				}

			}else{
				System.out.println("入力された数値が有効な値ではありません。");
			}
		}catch(NumberFormatException ne){
			System.out.println("数字を入力してください");
		}catch(IOException ie){
			System.out.println("読み込み時にエラーが発生しました。");
		}finally{
			try{
				reader.close();
				re.close();
			}catch(IOException ie){
				System.out.println("InputStreamReaderかBufferedReaderのクローズに失敗しました。");
			}
		}
	}
	static boolean numJudge(int input, int min, int max){
		boolean result = false;
		if(input >= min && input <= max){
			result = true;
		}
		return result;
	}

	static boolean threeJudge(int targetNum){
		boolean result = false;
		String str = String.valueOf(targetNum);
		if(str.contains("3")){
			result = true;
		}
		return result;
	}
}