import java.util.Scanner;
public class Main{
	public static void main(String[] args) {
		//System.out.println("最小値");
		Scanner scanner = new Scanner(System.in);
		int A = scanner.nextInt();
		//System.out.println("最大値");
		int B = scanner.nextInt();
		scanner.close();
		int n = B-A + 1;	//調べる数字の数n
		int k = A; //調べる数字
		for(int i=0; i < n; i++) {
			int digits_k = (int)(Math.log10(k))+1;
			if(k % 3 == 0) {
				System.out.println(k);
				k ++;
			}else {
				int k_d1 = k;
				int k_d2 = k/10;
				for(int j=0; j < digits_k; j++) {
					int k_d_j = k_d1 - k_d2*10;
					if(k_d_j == 3) {
						System.out.println(k);
						break;
					}else {
						k_d1 = k_d1/10;
						k_d2 = k_d2/10;
					}

				}
				k++;
			}
		}
	}
}