import sys
import re

line = open('J.txt', 'r').readline()
#line = sys.stdin.readline()

words = re.split('[^a-zA-Z]+', line.strip())

for word in words:
    print(word)

8d7d4c9cba824f313a721d5b907b456532399031
<mask token>

<mask token>
for word in words:
    print(word)

<mask token>
line = open('J.txt', 'r').readline()
words = re.split('[^a-zA-Z]+', line.strip())
for word in words:
    print(word)

import sys
import re
line = open('J.txt', 'r').readline()
words = re.split('[^a-zA-Z]+', line.strip())
for word in words:
    print(word)

import sys
import re

line = open('J.txt', 'r').readline()
#line = sys.stdin.readline()

words = re.split('[^a-zA-Z]+', line.strip())

for word in words:
    print(word)
