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

for i in range(A, B + 1):
    save = i
    boolean = []

    while i > 1:
        boolean.append(i%10)
        i = i//10

    if save % 3 == 0:
        print(save)
    else:
        for n in boolean:
            if n == 3:
                print(save)