{

//namespace fs = std::filesystem;
//fs::path f{ "file.txt" };
//if (fs::exists(f)) std::cout << "yes"<<endl;
//else std::cout << "no"<<endl;


//fs::path f{ "test.txt" };
//if (fs::exists(f)) std::cout << "yes"<<endl;
//else std::cout << "no"<<endl;

filesystem::exists("test.txt") ? cout << "Exists\n" : cout << "Doesn't exist\n";

}