The Most Powerful Word

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String word, vowels = "aeiouyAEIOUY",
                strongWord = "";
        double strongSum = 0;

        while (!(word = scanner.nextLine()).equals("End of words")) {
            double wordSum = 0;
            for (int i = 0; i < word.length(); i++) {
                wordSum += word.charAt(i);
            }

            if (vowels.contains(String.valueOf(word.charAt(0)))) {
                wordSum *= word.length();
            } else {
                wordSum /= word.length();
            }

            if (wordSum > strongSum) {
                strongWord = word;
                strongSum = wordSum;
            }
        }

        System.out.println("The most powerful word is " + strongWord + " - " + (int) strongSum);
    }
}