06. Barcode Generator - v.02

start = int(input())
end = int(input())

#2345
s1 = start // 1000 % 10
s2 = start // 100 % 10
s3 = start // 10 % 10
s4 = start % 10

#6789
e1 = end // 1000 % 10
e2 = end // 100 % 10
e3 = end // 10 % 10
e4 = end % 10

for i in range(s1, e1 + 1):
    for j in range(s2, e2 + 1):
        for k in range(s3, e3 + 1):
            for l in range(s4, e4 + 1):
                if i % 2 != 0 and j % 2 != 0 and k % 2 != 0 and l % 2 != 0:
                    print(f"{i}{j}{k}{l}", end= " ")