package b2015_5_31;

import java.util.Scanner;

public class SekaiNantoka {
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(match(i)){
		System.out.println(i);
	}
	}

}

private static boolean match(int i){
	if(i%3==0){
		return true;
	}
	while(i>0){
		if(i%10==3){
			return true;
		}else{
			i /= 10;
		}
	}
		return false;
}
}