1 #1271919
2 d={1:'one',2:'two',3:'three',4:'four',5:'five',
3 6:'six',7:'seven',8:'eight',9:'nine',10:'ten',
4 11:'eleven',12:'twelve',13:'thirteen',14:'fourteen',15:'fifteen',
5 16:'sixteen',17:'seventeen',18:'eighteen',19:'nineteen',20:'twenty',
6 30:'thirty',40:'forty',50:'fifty',60:'sixty',70:'seventy',
7 80:'eighty',90:'ninety',100:'hundred',
8 1000:'thousand',1002:'billion',1001:'million','a':'and'}
9 def three(t,tag=1000,l=[],l1=[],flag=1):
10 t1=t[-3:][::-1]
11 if len(t)>=3:
12 if int(t1[2])==0:
13 pass
14 else:
15 l.append(d[int(t1[2])])
16 l.append(d[100])
17 if int(t1[1])==0 and int(t1[0])==0:
18 pass
19 else:
20 l.append(d['a'])
21 if len(t)>=2:
22 if int(t1[1])==0:
23 pass
24 elif int(t1[1])!=0 and int(t1[0])==0:
25 l.append(d[int(t1[1])*10])
26 flag=0
27 elif int(t1[1])==1:
28 l.append(d[int(t1[1])*10+int(t1[0])])
29 flag=0
30 else:
31 l.append(d[int(t1[1])*10])
32 if flag==1:
33 if int(t1[0])==0:
34 pass
35 else:
36 l.append(d[int(t1[0])])
37 l1=l.copy()+l1
38 #print("l1",l1)
39 if t[:-3]=='':
40 return l1
41 while t[:-3]!='':
42 l1.insert(0,d[tag])
43 tag+=1
44 t=t[:-3]
45 #print("tag",tag)
46 return three(t,l=[],tag=tag,l1=l1)
47
48 n=input()
49 l1=three(n)
50 print(" ".join(i for i in l1))
