A, B = map(int, input().split())
nums = []
for i in range(A, B+1):
    nums.append(i)
abenatsu = []
for j in nums:
    str_num = str(j)
    in3 = str_num.count("3")
    if j % 3 == 0:
        abenatsu.append(j)
    elif in3 > 0:
        abenatsu.append(j)

for k in abenatsu:
    print(k)