#include <iostream>
#include <fstream>
#include <iostream>
#include <string>
#include <stdlib.h>
#include <vector>

void writeFile(std::string path, std::string content, bool append = false) {
    std::ofstream file;

    if (append) {
        file.open(path.c_str(), std::ios::out | std::ios::app);
    } else {
        file.open(path.c_str(), std::ofstream::out | std::ofstream::trunc);
        std::cout << path << std::endl;
    }

    file << content;

    file.flush();
    file.close();
}

bool validatePesel(std::vector<int> pesel) {
    if (pesel.size() == 11) {
        int count = 0;

        int weights[10] = { 9, 7, 3, 1, 9, 7, 3, 1, 9, 7 };

        for (int i = 0; i < 10; i++) {
            count += pesel[i] * weights[i];
        }

        return count %10 == pesel[pesel.size() - 1];
    }

    return false;
}

bool isWomen(std::vector<int> pesel) {
    return pesel[pesel.size() - 2] %2 == 0;
}

void pesel(std::string pesel) {
    std::vector<int> numbers;

    for (int i = 0; i < pesel.length(); i++) {
        int number = pesel[i] - '0';
        numbers.push_back(number);
    }

    if (validatePesel(numbers)) {
        if (isWomen(numbers)) {
            writeFile("wynik2-kobiety.txt", pesel + "\n", true);
        } else {
            writeFile("wynik2-mezczyzni.txt", pesel + "\n", true);
        }
    } else {
        writeFile("wynik2-pesel.txt", pesel + "\n", true);
    }
}

int main()
{
    std::ifstream in("dane2.txt");
    std::string str;

    writeFile("wynik2-kobiety.txt", "");
    writeFile("wynik2-mezczyzni.txt", "");
    writeFile("wynik2-pesel.txt", "");

    while (in && std::getline(in, str)) {
        if (str.length() == 0) continue;
        pesel(str);
    }

    return 0;
}