#include <iostream>
#include <string>
#include <thread>
#include <chrono>

int main(int, const char *) {
	while (true) {
		std::cout << "[0]: Hex to Decimal" << std::endl;
		std::cout << "[1]: Decimal to Hex" << std::endl;
		std::cout << "[2]: Quit" << std::endl;
		std::cout << "Enter the index and hit enter" << std::endl;
		int indexChosen = NULL;
		std::cin >> indexChosen;
		if (!indexChosen) {
			std::cout << "Selected Hex to Decimal" << std::endl;
			int in;
			std::cin >> std::hex >> in;
			std::cout << "Hex to Decimal: " << in << std::endl << std::endl;
		} else if (indexChosen == 1) {
			std::cout << "Selected Decimal to Hex" << std::endl;
			int in;
			std::cin >> in;
			std::cout << "Decimal to Hex: " << std::hex << in << std::endl << std::endl;
		} else if (indexChosen == 2) {
			break;
		} else {
			std::cout << "Invalid choice" << std::endl;
		}
		std::this_thread::sleep_for(std::chrono::milliseconds(100));
	}
	return 0;
}