def byteCalc(bytes:int) -> str:
    """
        Transform Bytes in MB or KB
     

        Parameters
        ----------
        bytes : int
            number of bytes

        Returns
        -------
        str
            a byte converted with yours measure 
    """
    
    if bytes >= 100000:
        return f"{(bytes / 1000000):.2f} MB"

    return f"{(bytes / 1000):.2f} KB"