barcode

start = int(input())
end = int(input())
thousands_start = start // 1000
hundreds_start = start // 100 % 10
tens_start = start // 10 % 10
units_start = start % 10
thousands_end = end // 1000
hundreds_end = end // 100 % 10
tens_end = end // 10 % 10
units_end = end % 10
for number1 in range(thousands_start, thousands_end + 1):
    for number2 in range(hundreds_start, hundreds_end + 1):
        for number3 in range(tens_start, tens_end + 1):
            for number4 in range(units_start, units_end + 1):
                if number1 % 2 == 1 and number2 % 2 == 1 and number3 % 2 == 1 and number4 % 2 == 1:
                    print(f'{number1}{number2}{number3}{number4}', end=' ')