import java.util.*;

class Nabeatu{
    public Nabeatu(int From,int End){
        for(int i=From;i<=End;i++){
            if (i%3==0){
                System.out.println(i);
            } else{
                String s_From = Integer.toString(i);
                if(s_From.contains("3")){
                    System.out.println(s_From);
                }  
            }
        }
    }
    
    public Nabeatu(){
        System.out.println("3でバカになる");
    }
}

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int From = sc.nextInt();
        int End = sc.nextInt();
        
        Nabeatu bk = new Nabeatu(From,End);
    }
}