// FileAccessChecker
#include <iostream>
#include <fstream>
#include <regex>
using namespace std;

int main() {

     string filePath = "C:\\Users\\user\\Desktop\\test.txt";

     int a = 5;

    if (a<4) {
         ifstream file(filePath);

         cout << "File opened successfully." <<  endl;

         file.close();
    } else {

         cerr << "Unable to open file: " << filePath <<  endl;

    }

    return 0;
}