import datetime

def get_latest(dt1str: str, dt2str: str) -> str:
    m1 = datetime.datetime.strptime(dt1str, "%Y-%m-%dT%H:%M:%S")
    m2 = datetime.datetime.strptime(dt2str, "%Y-%m-%dT%H:%M:%S")
    return dt1str if m1.date() > m2.date() else dt2str


print("Example:")
print(get_latest("2027-09-01T01:03:10", "1997-04-15T11:18:14"))

assert get_latest("2007-03-04T21:08:12", "2007-03-04T21:08:12") == "2007-03-04T21:08:12"
assert get_latest("2027-09-01T01:03:10", "1997-04-15T11:18:14") == "2027-09-01T01:03:10"
assert get_latest("0001-01-01T01:01:01", "3000-11-16T13:27:02") == "3000-11-16T13:27:02"

print("The mission is done! Click 'Check Solution' to earn rewards!")
