using System;

​

public class MainClass {

​

  public static string LetterChanges(string str) {

​

    // code goes here  

    string alphabets = "abcdefghijklmnopqrstuvwxyz";

    string vowels = "aeiou";

    string upgradeStr = "";

    for (int j = 0; j < str.Length; j++)

    {

      bool seen = false;

      for (int i = 0; i < alphabets.Length; i++)

      {

        if (str[j] == alphabets[i])

        {

          if (i == alphabets.Length - 1)

          {

            upgradeStr +=  ConfirmVowel(alphabets[0], vowels);

            seen = true;

            break;

          } else

          {

            upgradeStr += ConfirmVowel(alphabets[i+1], vowels);

            seen = true;

            break;

          }

        }

      }

      if (!seen)

        upgradeStr += str[j];

​

    }

    return upgradeStr;

​

  }

​

  public static char ConfirmVowel(char car, string vowels)

  {

      int countVowel = vowels.IndexOf(car);

      if (countVowel > -1)

        car = car.ToString().ToUpper().ToCharArray()[0];

      return car;

  }

​

public  static void Main() {  

​

    // keep this function call here

    Console.WriteLine(LetterChanges(Console.ReadLine()));

  } 

​

}