diction = {'1':'one', '2':'two', '3':'three', '4':'four', '5':'five',
'6':'six', '7':'seven', '8':'eight', '9':'nine', '0':'zero'}
M, N = map(int, input().split())
li = []
for i in range(M, N+1):
s = ' '.join([diction[c] for c in str(i)])
li.append([i, s])
li.sort(key=lambda x:x[1])
for i in range(len(li)):
if i%10 == 0 and i!= 0:
print()
print(li[i][0], end=' ')