# Super-secure encrypter

plaintext = input("Enter some text:  ")
ciphertext = ""

for letter in plaintext:
    print(ord(letter))
    new_letter_num = ord(letter) + 13
    if new_letter_num > ord('z'):
        new_letter_num -= 26
    ciphertext += chr(new_letter_num)

print(ciphertext)