# -*- coding: utf-8 -*-

A, B = map(int, input().split())

for i in range(A, B+1):
    if i % 3 == 0 and i != 0:
        print(i)
    else:
        quotient = i
        while quotient != 0:
            number = quotient % 10
            if number == 3:
                print(i)
                break
            else:
                quotient //= 10