date.py

import datetime

month_placeholder = {
    'Jan' : 1,
    'Feb' : 2,
    'Mar' : 3,
    'Apr' : 4,
    'Mei' : 5,
    'Jun' : 6,
    'Jul' : 7,
    'Agu' : 8,
    'Sep' : 9,
    'Okt' : 10,
    'Nov' : 11,
    'Des' : 12,
}

def parse_indo_date(d):
    s_date = d.split()
    day = int(s_date[0])
    month = month_placeholder[s_date[1]]
    year = int(s_date[2])
    return datetime.date(year, month, day)
    
indo_date = {}
for i in range(3):
    i = raw_input('enter date-%d: ' % i)
    indo_date[parse_indo_date(i)] = i
    
for d in sorted(indo_date.keys()):
    print indo_date[d]