def build_url(name_account):
    """
    >>> name_account = 'alfareiza-3385E2'
    >>> build_url(name_account)
    http://4usee.com/alfareiza/3385E2
    >>> name_account = 'tutorial'
    >>> build_url(name_account)
    http://tutorial.4yousee.com.br
    """
    if '-' in name_account:
        return f"http://4usee.com/{name_account.split('-')[0]}/{name_account.split('-')[1]}"
    else:
        return f"http://{name_account.split('-')[0]}.4yousee.com.br"