#include #include #include int main() { std::ifstream inputFile("input.txt"); if (!inputFile.is_open()) { std::cerr << "Failed to open the user data file." << std::endl; exit(1); } std::string name, gender, number, profession, school; int age; double latitude, longitude; while(inputFile >> name >> age >> gender >> number >> profession >> school >> latitude >> longitude){ std::ofstream outputFile("output.txt", std::ios::app); outputFile << name << "," << number << std::endl; outputFile.close(); } inputFile.close(); return 0; }