#include <iostream>
#include <string>
#include <cctype>

bool has_equal_vowel_counts(const std::string& str) {
    static const std::string vowels = "aeiou";

    std::size_t len = str.size();
    std::size_t half = len / 2;
    std::size_t start_second = (len % 2) ? half + 1 : half;

    int count1 = 0, count2 = 0;

    for (std::size_t i = 0; i < half; ++i) {
        char c = std::tolower(static_cast<unsigned char>(str[i]));
        if (vowels.find(c) != std::string::npos) ++count1;
    }

    for (std::size_t i = start_second; i < len; ++i) {
        char c = std::tolower(static_cast<unsigned char>(str[i]));
        if (vowels.find(c) != std::string::npos) ++count2;
    }

    return count1 == count2;
}

int main() {
    const std::string case_values[] = {
        "racecar",
        "Lorem Ipsum",
        "Kitty Ipsum",
        "string",
        " ",
        "abcdefghijklmnopqrstuvwxyz",
        "123A#b!E&*456-o.U"
    };

    for (const auto& s : case_values) {
        std::cout << std::boolalpha << has_equal_vowel_counts(s) << '\n';
        std::cout << "-----------------------------------\n";
    }
}