word = input("Введите слово: ")

new_word = ""

for letter in word:

   if letter == "а":

       new_word += "о"

   elif letter == "и":

       new_word += "е"

   elif letter == "ы":

       new_word += "у"

   elif letter == "я":

       new_word += "э"

   elif letter == "о":

       new_word += "а"

   elif letter == "е":

       new_word += "и"

   elif letter == "у":

       new_word += "ы"

   elif letter == "э":

       new_word += "я"

   elif letter == "А":

       new_word += "О"

   elif letter == "И":

       new_word += "Е"

   elif letter == "Ы":

       new_word += "У"

   elif letter == "Я":

       new_word += "Э"

   elif letter == "О":

       new_word += "А"

   elif letter == "Е":

       new_word += "И"

   elif letter == "У":

       new_word += "Ы"

   elif letter == "Э":

       new_word += "Я"

   else:

       new_word += letter

print(new_word)