import java.util.Scanner;

public class Yuki207 {
	public static void main(String args[]){
		Scanner scan = new Scanner(System.in);
		long begin = scan.nextLong();
		long end   = scan.nextLong();

		for(long i = begin; i <= end; i++){
			if(i % 3 == 0 || i % 10 == 3 || i / 10 == 3){
				System.out.println(i);
			}
		}
	}
}