#include <fstream>
#include <experimental/filesystem>
#include <iostream>
#include <string>

namespace fs = std::experimental::filesystem;

int main()
{
    std::string path_to_file;
    std::cout << "Input full path to file: " << std::endl;
    getline(std::cin, path_to_file);

    if (!fs::exists(path_to_file))
    {
        std::cout << "Invalid path!" << std::endl;
        return 0;
    }
    if (fs::is_directory(path_to_file))
    {
        std::cout << "is directory" << std::endl;
        return 0;
    }
    std::ifstream file(path_to_file);
    std::string str;
    std::string file_contents;
    while (std::getline(file, str))
    {
        file_contents += str;
        file_contents += "\n";
    }
    std::cout << file_contents << std::endl;
    return 0;
}