The Most Powerful Word

#include <iostream>
#include <string>

using namespace std;

int main() {
    string word, vowels = "aeiouyAEIOUY", strongWord = "";
    getline(cin, word);

    double strongSum = 0;

    while (word != "End of words") {
        double wordSum = 0;

        for (int i = 0; i < word.length(); i++) {
            wordSum += word[i];
        }

        if (vowels.find(word[0]) != -1){
            wordSum *= word.length();
        }
        else {
            wordSum /= word.length();
        }

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

    cout << "The most powerful word is " << strongWord << " - " << (int)strongSum << endl;
    return 0;
}