#include <fstream>
#include <iostream>
#include <vector>
#include <string>

int main()
{
    std::fstream file;
    file.open("liczby.txt", std::ios_base::in);
    std::vector<int> v;
    std::string line;
    while (std::getline(file, line))
    {
        v.push_back(std::stoi(line));
    }
    file.close();

    int result{ 0 };
    for (auto const x : v)
    {
        if (x == 1 || x == 3 || x == 9 || x == 27 || x == 81 || x == 243
            || x == 729 || x == 2187 || x == 6561 || x == 19683 || x == 59049)
        {
            ++result;
        }
    }

    file.open("wyniki4.txt", std::ios::out);
    file << "1\n";
    file << result << '\n';
    file.close();
}