num1 = ['zero','one','two','three','four','five','six',
'seven','eight','nine','ten','eleven','twelve',
'thirteen','fourteen','fifteen','sixteen',
'seventeen','eighteen','nineteen']
num2 = [0,0,'twenty','thirty','forty','fifty','sixty',
'seventy','eighty','ninety']
# 100以内转英文
def n2w(n):
if n > 0:
if n < 20:
word.append(num1[n])
else:
word.append(num2[n//10])
if n%10 != 0:
word.append(num1[n%10])
# 1000以内转英文
def hun(n):
if n >= 100:
word.append(num1[n//100])
word.append('hundred')
if n % 100 != 0:
word.append('and')
n2w(n%100)
while True:
try:
n = int(input())
except:
break
else:
word = []
a = n % 1000 # 个十百位
b = (n//1000) % 1000 # 个十百千
c = (n//1000000) % 1000 #个十百m
d = n // 1000000000 # 个十百b
if d > 0:
hun(d)
word.append('billion')
if c > 0 :
hun(c)
word.append('million')
if b > 0:
hun(b)
word.append('thousand')
if a > 0 :
hun(a)
print(' '.join(word))