class Problem0207:
	def solve(this):
		a,b = map(int, input().split())
		for i in range(a, b+1):
			s = list(str(i))
			if i % 3 == 0 or '3' in s:
				print(i)
				
if __name__ == "__main__":
	problem = Problem0207()
	problem.solve()