package yukicoder;

import java.util.Scanner;

public class N207 {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		for(int i = a;i <= b;++i){
			if(i % 3 == 0) System.out.println(i);
			else if(String.valueOf(i).contains("3")) System.out.println(i);
		}
	}
}