import java.util.*;
class main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        
        for(char c :s.toCharArray()){
            if(!Character.isletter(c) && c!=' '){
                System.out.println("Invalid input");
                return;
            }
        }
        
       Set<Character> vowels = new HashSet<>(
          Arrays.asList(  'a','e','i','o','u','A','E','I','O','U')
        );
        
        
        boolean hasVowel = false;
        for(char c : s.toCharArray()){
            if(vowels.contains(c)){
                hasVowel = true;
                break;
            }
        }
        char[] arr = s.toCharArray();
        int i = 0, j = arr.length-1;
        
        while(i<j){
            if(!vowels.contains(arr[i])){
                i++;
            }
            else if(!vowels.contains(arr[j])){
                j++;
            }
            else{
                char temp = arr[i];
                arr[i] = arr[j];
                arr[j] = temp;
                i++;
                j--;
            }
        }
        System.out.println(new String(arr));
    }
}