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 || ((i % 100) % 10) == 3 || ((i % 100) >= 30 && (i % 100) < 40) || (i >= 300 && i < 400)) System.out.println(i);
		}
	}
}