a, b = "2222222222222222222222222222222222222222222222222222222222222222222222 8888888888888888888888888888888".split()

print(int(a, 3))
print(int(b, 9))
> 2503155504993241601315571986085848
> 381520424476945831628649898808

a, b = "2222222222222222222222222222222222222222222222222222222222222222222222 88888888888888888888888888888888888".split()

print(int(a, 3))
print(int(b, 9))
> 2503155504993241601315571986085848
> 2503155504993241601315571986085848

본문에서 예제 4번의 입력은

2222222222222222222222222222222222222222222222222222222222222222222222 8888888888888888888888888888888

인데

본문의 의도대로 되려면 8이 뒤에 4개가 더 붙어야 하지 않았을까 합니다.