def rotate(word, number):
   thing = word
   start = 0
   length = len(thing)
   start = 0
   new_letter = 0
   while start < length:
       position = length - start
       letter = thing[-position]
       start +=1
       new_letter = ord(letter) + number
       print chr(new_letter)
   
rotate("cheer", 7)