import time


def convert_readable_time(longTime):
    """
    Convert date and output into human readable format.
    2018-01-03 --> Jan 03, 2018
    """
    try:
        t = time.strptime(longTime, "%Y-%m-%d")
    except ValueError:
        return longTime
    ret = time.strftime("%b %d, %Y", t)
    return ret