def is_after(date, origin):
    """
    return True if date is after origin
    """
    #Let's split the strings
    year,month,day=date.split(':')
    oyear, omonth, oday = origin.split(':')
    if year > oyear:
        return True
    elif year == oyear and month > omonth:
        return True
    elif year == oyear and month == omonth and day >= oday :
        return True
    else:
        return False