import re


def num_great(text):
    """
    Number greater than 930

    Parameters
    ----------
        text: str
            Text selected to apply transformation

    Examples:
    ---------
    ```python
    sentence="It is expected to be more than 935 corona death
        and 29974 observation cases across 29 states in india"
    num_great(sentence)
        >>> '935 29974'
    ```
    """
    line = re.findall(r'9[3-9][0-9]|[1-9]\d{3,}', text)
    return " ".join(line)