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


def is_multi3(x):
    return x % 3 == 0


def is_in3(x):
    return '3' in list(str(x))


for i in range(A, B + 1):
    if is_multi3(i):
        print(i)
        continue

    if is_in3(i):
        print(i)