package yukicorder;
import java.util.Scanner;

public class QNo207 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		for(int n=a;n<=b;n++){
			if(n%3==0||exist3(n)) System.out.println(n);
		}
	}
	private static boolean exist3(int n){
		if(n==0) return false;
		if(n%10==3) return true;
		else return exist3(n/10);
	}

}