Barcode Generator

num1 = input()
num2 = input()


for digit in range(int(num1[0]), int(num2[0]) +1):
    for digit2 in range(int(num1[1]), int(num2[1]) +1):
        for digit3 in range(int(num1[2]), int(num2[2]) +1):
            for digit4 in range(int(num1[3]), int(num2[3]) +1):
                if digit % 2 == 1 and digit4 % 2 == 1 and digit3 % 2 == 1 and digit2 % 2 == 1:
                    print(f"{digit}{digit2}{digit3}{digit4}", end=" ")