File I/O C++

std::ifstream inFile;
inFile.open(filename);
std::string buffer = ""; // a full line of data
std::string tokenA = ""; // first part of buffer
std::string tokenB = ""; // second part of buffer

int coeff, power;

// Verify that the file is good

while (inFile.good()) {

    std::getline(inFile, buffer, '\n');
    std::stringstream ss(buffer);
    if (buffer == "") { break; }

    std::getline(ss, tokenA, ' ');
    std::getline(ss, tokenB, ' ');

    try {
        coeff = std::stoi(tokenA);
        power = std::stoi(tokenB);
    } catch (...) {
        std::cout << "Only integers are allowed" << endl;
        return EXIT_FAILURE
        // Or maybe System.exit(1), my memory is fuzzy
    }

    // Insert the values into the linked list, possibly inside a wrapper

}