import java.util.Scanner;

public class No207 {
	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) {
				System.out.println(i);
			}else if(String.valueOf(i).indexOf("3") != -1){
				System.out.println(i);
			}
		}
	}
}