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import re
alphabet = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
text = input('Enter your message: ')
text = re.findall(r'\w', text)
key = input('Enter your key: ')
key = int(key)
a = len(text)
b = 0
num = 0
message = []
c = ''
for i in range(a):
num = alphabet.index(text[b])
num = num + key
b = b + 1
if num <= 25:
message.append(alphabet[num])
else:
num = num%25 - 1
message.append(alphabet[num])
print(text)
print(message)
for i in range(a):
c += message[(i)]
print(c)