using System;

using System.Text;

​

//Have the function LetterChanges(str) take the str parameter 

//being passed and modify it using the following algorithm. 

//Replace every letter in the string with the letter following 

//it in the alphabet (ie. c becomes d, z becomes a). 

//Then capitalize every vowel in this new string (a, e, i, o, u) 

//and finally return this modified string. 

​

​

public class MainClass {

  public static string LetterChanges(string str) { 

    string strLower = str.ToLower();

    StringBuilder sb = new StringBuilder();

    char x = ' ';

    for(int i= 0; i<=strLower.Length-1; i++)

    {

        char j = strLower[i];

        if ((!(j >= 'A' && j <= 'Z') && !(j >= 'a' && j <= 'z')) || (j >= '0' && j <= '9'))

        {

            x = j;

        }

        else

        {

            x = (char)((int)j + 1);

            if(x == 'a' || x == 'e' || x == 'i' || x == 'o' || x == 'u')

            {

                x = Char.ToUpper(x);

            }

        }

        sb.Append(x);

    }

​

    return sb.ToString();

  }

​

  public static void Main() {  

    // keep this function call here

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

  } 

}