#Caesar code DECRYPT -1
#L1 = ['a','e'] # + swap 'find' for 'index'
L1 = 'aeiou'
print (' introdu')
MESS = input ()
for LETTER in MESS:
NEWPOS = L1.find(LETTER)-1 # Decrypt +1 ---> -1
if NEWPOS == -2 :
print ('\nthe letter ' + LETTER+ ' is not included')
break
elif NEWPOS <0: # >= len (L1) -----> < 0
NEWPOS = len(L1) -1 # 0 ----> len(L1) -1
print (L1[NEWPOS], end = '')