# -*- coding:utf-8 -*-

__author__ = 'k22li'

import re

FIRST_TEN = ["zero", "one", "two", "three", "four", "five", "six", "seven",

"eight", "nine"]

SECOND_TEN = ["ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen",

"sixteen", "seventeen", "eighteen", "nineteen"]

OTHER_TENS = ["twenty", "thirty", "forty", "fifty", "sixty", "seventy",

"eighty", "ninety"]

HUNDRED = "hundred"

def checkio(number):

#replace this for solution

assert number in range(1000), 'Unsupported figure provided!'

number = int(number)

if number/100<=0: #check the digit in hundred position

hundDigit=''

else:

hundDigit=FIRST_TEN[number/100]+' '+HUNDRED

if number%100/10<=0: #如果十位数字为零

tenDigit=''

if (number%100)%10 !=0 and hundDigit!='':

lastDigit=' '+FIRST_TEN[(number%100)%10]

elif (number%100)%10 !=0 and hundDigit=='':

lastDigit=FIRST_TEN[(number%100)%10]

else:

lastDigit = ''

elif number%100/10>=2: #如果十位数字大于2

if hundDigit != '': #如果百位为空

tenDigit=' '+OTHER_TENS[number%100/10-2]

if (number%100)%10 !=0:

lastDigit=' '+FIRST_TEN[(number%100)%10]

else:

lastDigit=''

else:

tenDigit=OTHER_TENS[number%100/10-2]

if (number%100)%10 !=0:

lastDigit=' '+FIRST_TEN[(number%100)%10]

else:

lastDigit=''

else:

if hundDigit != '':

tenDigit = ' '+SECOND_TEN[(number%100)%10]

lastDigit = ''

else:

tenDigit = ''+SECOND_TEN[(number%100)%10]

lastDigit = ''

return hundDigit+tenDigit+lastDigit

#Some hints

#Don't forget strip whitespaces at the end of string

#These "asserts" using only for self-checking and not necessary for auto-testing

if __name__ == '__main__':

assert checkio(4) == 'four', "1st example"

assert checkio(133) == 'one hundred thirty three', "2nd example"

assert checkio(12) == 'twelve', "3rd example"

assert checkio(101) == 'one hundred one', "4th example"

assert checkio(212) == 'two hundred twelve', "5th example"

assert checkio(40) == 'forty', "6th example"