import java.util.StringTokenizer;
public class StringUtilTKimPeriod7 {
    public StringUtilTKimPeriod7() {

    }

    public String stringReverse(String input) {
        String reverse = "";
        for (int i = input.length() - 1; i >= 0; i--) {
            reverse += input.charAt(i);
        }
        return reverse;
    }

    public String stringReverseRec(String input) {
        if (input.length() == 0) {
            return "";
        }
        return input.charAt(input.length() - 1) + stringReverseRec(input.substring(0, input.length() - 1));
    }

    public boolean isPalindrome(String input) {
        String withoutPunct = "";
        String withoutPunctBack = "";
        for (int i = 0; i <= input.length() - 1; i++) {
            if (Character.isLetter(input.charAt(i)) == true) {
                withoutPunct += input.toLowerCase().charAt(i);
            }
        }
        for (int i = withoutPunct.length() - 1; i >= 0; i--) {
            withoutPunctBack += withoutPunct.charAt(i);
        }
        if (withoutPunct.equals(withoutPunctBack)) {
            return true;
        }
        return false;
    }

    public String shortHand(String in) {
        String input = " " + in.toLowerCase() + " ";
        in = " " + in + " ";
        String shortHand = "";
        for (int i = 1; i < input.length() - 1; i++) {
            if (i <= input.length() - 3) {
                if (input.substring(i, i+ 3).equals("and") &&
                    Character.isLetter(input.charAt(i + 3)) == false &&
                    Character.isLetter(input.charAt(i - 1)) == false) {
                    shortHand += "&";
                    i += 3;
                }
                else if (input.substring(i, i+ 3).equals("you") &&
                         Character.isLetter(input.charAt(i - 1)) == false &&
                         Character.isLetter(input.charAt(i + 3)) == false) {
                    shortHand += "u";
                    i += 3;
                }
                else if (input.substring(i, i+ 3).equals("for") &&
                         Character.isLetter(input.charAt(i - 1)) == false &&
                         Character.isLetter(input.charAt(i + 3)) == false ) {
                    shortHand += "4";
                    i += 3;
                }
            }
            if (i <= input.length() - 2) {
                if (input.substring(i, i + 2).equals("to") &&
                    Character.isLetter(input.charAt(i - 1)) == false &&
                    Character.isLetter(input.charAt(i + 2)) == false) {
                    shortHand += "2";
                    i += 2;
                }
            }
            if (isVowel(input.charAt(i)) == true && Character.isLetter(input.charAt(i - 1)) == true ||
                isVowel(input.charAt(i)) == true && Character.isLetter(input.charAt(i + 1)) == true) {
                shortHand += "";
            }
            else {
                shortHand += in.charAt(i);
            }
        }
        return shortHand;
    }


    public boolean isVowel(char input) {
        if (input == 'a' || input == 'e' || input == 'i' || input == 'o' || input == 'u') {
            return true;
        }
        return false;
    }

    public String pigLatinator(String input) {
        String inLower = input.toLowerCase();
        String ans = "";
        if (hasVowel(inLower) == false) {
            ans = input + "ay";
        }
        else if (isVowel(inLower.charAt(0)) == true) {
            ans = input + "yay";
        }
        else if (hasVowel(inLower) == true) {
            for (int i = 0; i < inLower.length(); i++) {
                if (isVowel(inLower.charAt(i))) {
                    if (Character.isUpperCase(input.charAt(0))) {
                        ans = Character.toUpperCase(input.charAt(i)) + input.substring(i + 1) +
                              Character.toLowerCase(input.charAt(i - 1)) + input.substring(1, i) + "ay";
                        break;
                    }
                    ans = input.substring(i) + input.substring(0, i) + "ay";
                    break;
                }
            }
        }
        return ans;
    }

    public boolean hasVowel(String input) {
        for (int i = 0; i < input.length(); i++) {
            if (isVowel(input.charAt(i))) {
                return true;
            }
        }
        return false;
    }

    public static void main(String[] args) {
        StringUtilTKimPeriod7 string = new StringUtilTKimPeriod7();
        StringTokenizer token = new StringTokenizer("Hey you Do you know how to speak in Pig Latin");
        for (int i = 0; i < token.countTokens() + 3; i++) {
            System.out.print(string.pigLatinator(token.nextToken()) + " ");
        }
        /*System.out.println(string.stringReverse("123456789"));
        System.out.println(string.stringReverse("12345678"));
        System.out.println(string.stringReverse("A"));
        System.out.println(string.stringReverse(""));
        System.out.println(string.stringReverseRec("123456789"));
        System.out.println(string.stringReverseRec("12345678"));
        System.out.println(string.stringReverseRec("A"));
        System.out.println(string.stringReverseRec(""));
        System.out.println(string.isPalindrome("radar"));
        System.out.println(string.isPalindrome("J"));
        System.out.println(string.isPalindrome("Lewd did I live, & evil I did dwel."));
        System.out.println(string.isPalindrome("I like Java"));
        System.out.println(string.isPalindrome("Straw? No, too stupid a fad, I put soot on warts."));
        System.out.println(string.isPalindrome("***Nurse!*** I spy gypsies....run!!!!!"));
        System.out.println(string.isPalindrome(""));
        System.out.println(string.shortHand("A truck"));
        System.out.println(string.shortHand("Me AND YOU forever!"));
        System.out.println(string.shortHand("To Bill and Ted: Are you going to be EXCELLENT to towtrucks too???"));
        System.out.println(string.shortHand("MY mAmA aLWaYs said, \"LIFe iS like a box of chocolates...you never know what you're gonna get!\""));
        System.out.println(string.shortHand("Look, here's a 3.14159 I made for you! And? How's it taste?"));
        System.out.println(string.shortHand("!!aNd!! !tO? ****yOu***foR** fork toward young fo"));
        System.out.println(string.shortHand("And...nOW back $!to** you-->Andy.I.--aNd--Sandy.A. FoR tHe WEaTHer...fORtune...a")); */
    }

}