int main() {
    std::ifstream fin("C:\\Users\\Nyanwitt\\Documents\\Visual Studio 2015\\Projects\\lol\\lol.txt");
    std::istream_iterator<int> in(fin), eof;
    while (in != eof) {
        if (*in % 2 == 0) {
            std::ofstream fout("even.txt");
            std::ostream_iterator<int> out(fout, "\n");
            out = *in;
        }
        else {
            std::ofstream fout2("odd.txt");
            std::ostream_iterator<int> out2(fout2, "\n");
            out2 = *in;
        };
        in++;
    }
    return 0;
}