/*
 * IxNay : Convert text into IxNay (Pig Latin).
 * 
 * Parke Godfrey  2009-11-16
 */
import java.io.PrintStream;
import java.util.Scanner;

public class IxNay
{
    public static void main(String[] args)
    {
        PrintStream output = System.out;
        Scanner input = new Scanner(System.in);
        
        final String AY  = "ay";
        final String YAY = "Yay";
        int start; // Beginning of substring.
        int end;   // Ending of substring.
        int front; // Split between starting consonants and rest in a word.
        
        output.println("Enter a sentence:");
        while (input.hasNext())
        {
            String sentence = input.nextLine();
            start = 0;
            end = 0;
            while (end < sentence.length())
            {
                // Find a non-word stretch and print it out.
                start = end;
                while (end < sentence.length()
                        && sentence.substring(start, end + 1)
                                    .matches("[^a-zA-Z]+"))
                {
                    end++;
                }
                output.print(sentence.substring(start, end));
        
                // Find a word stretch.
                start = end;
                while (end < sentence.length()
                        && sentence.substring(start, end + 1)
                                    .matches("[a-zA-Z]+"))
                {
                    end++;
                }
                
                // Find initial consonant stretch within the word.
                front = start;
                while (front < end
                        && sentence.substring(start, front + 1)
                                    .matches("[^aeiouAEIOU]+"))
                {
                    front++;
                }
                
                // Print the word in IxNay appropriately.
                if (front - start > 0)
                {
                    output.print(sentence.substring(front, end)
                                + sentence.substring(start, front)
                                            .toUpperCase()
                                + AY);
                } else if (end - start > 0)
                {
                    output.print(sentence.substring(start, end)
                                + YAY);
                }
            }
            output.println("");

            output.println("Enter a sentence:");
        }
        output.println("Done.");
    }
}