start_num = int(input())
end_num = int(input())

for i in range(start_num, end_num + 1):
    current_num_str = str(i)
    even_sum = 0
    odd_sum = 0

    for j in range(0, len(current_num_str)):
        digit = int(current_num_str[j])
        if j % 2 == 0:
            even_sum = even_sum + digit
        else:
            odd_sum = odd_sum + digit

    if even_sum == odd_sum:
        print(current_num_str, end=" ")