def nicenum(num: int, suffix: str='B') -> str:
    for unit in ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z']:
        if (num < 1024):
            return '{}{}{}'.format(int(num), unit, suffix)
        num = int((num / 1024))
    return '{}{}{}'.format(int(num), 'Y', suffix)
def nicenum(num: int, suffix: str='B') -> str:
    for unit in [, 'K', 'M', 'G', 'T', 'P', 'E', 'Z']:
        if (num < 1024):
            return '{}{}{}'.format(int(num), unit, suffix)
        num = int((num / 1024))
    return '{}{}{}'.format(int(num), 'Y', suffix)