std::size_t nCoefficientsA;
    std::cout << "Number of <double> coefficients in the first vector: " << std::endl;
    std::cin >> nCoefficientsA;

    std::vector<double> coefficientsA;
    std::cout << "List of coefficients: " << std::endl;
    while (coefficientsA.size() < nCoefficientsA) {
        double coefficient;
        std::cin >> coefficient;
        coefficientsA.push_back(coefficient);
    }

    std::size_t nCoefficientsB;
    std::cout << "Number of <double> coefficients in the second vector: " << std::endl;
    std::cin >> nCoefficientsB;

    std::vector<double> coefficientsB;
    std::cout << "List of coefficients: " << std::endl;
    while (coefficientsB.size() < nCoefficientsB) {
        double coefficient;
        std::cin >> coefficient;
        coefficientsB.push_back(coefficient);
    }
    std::reverse(coefficientsA.begin(), coefficientsA.end());
    std::reverse(coefficientsB.begin(), coefficientsB.end());

    Polynomial<double> A(coefficientsA);
    Polynomial<double> B(coefficientsB);
    Polynomial<double> C(0);

    std::cout << "First vector: " << A << std::endl;
    std::cout << "Second vector: " << B << std::endl;
    std::cout << "Third vector: " << C << std::endl;

    if (A == B) {
        std::cout << "Equal" << std::endl;
    } else if (A != B) {
        std::cout << "Not Equal" << std::endl;
    }


    std::cout << "+  " << A + B << std::endl;

    std::cout << "-  " << A - B << std::endl;
    std::cout << "/ : " << (A / B) << std::endl;
    std::cout << "% : " << (A % B) << std::endl;
    std::cout << ", : " << (A , B) << std::endl;
    std::cout << A(-1) << '\n';

    std::cout << "List of the coefficients before variable degrees from 0 to 19: " << std::endl;
    for (int i = 0; i < 20; ++i) {
        std::cout << A[i] << " ";
    }
    std::cout << std::endl;
    auto i = A.begin();
    while (i != A.end()) {
        std::cout << *i++ << " ";
    }
    std::cout << '\n';
    std::cout << A.Degree();
    std::cout << '\n';
    std::cout << *A.begin();
}