s='Today is Monday. I am on holiday. How nice!'
password=''
for ch in s:
if ch>='A' and ch<'Z':
password=password+chr(ord(ch)+1)
elif ch=='Z':
password=password+'A'
elif ch>'a'and ch<='z':
password=password+chr(ord(ch)-1)
elif ch=='a':
password=password+'z'
else:
password=password+ch
print(password)