#include <iostream>
#include <Windows.h>
#include <conio.h>
#include <string>

const size_t LOW_BORDER = 10;
const size_t HIGH_BORDER = 50;

bool add(size_t age, std::string name, std::string surname)
{
	if (age > LOW_BORDER && age < HIGH_BORDER)
		return true;
	else
		return false;
}

int main()
{
	bool isRunning = true;
	char key;

	while (isRunning)
	{
		system("cls");
		std::cout << "1) Add member" << std::endl << "2) B" << std::endl << "3) C" << std::endl << "4) Exit" << std::endl;

		if (!_kbhit())
		{
			key = _getch();

			switch (key)
			{
				case '1':

				{std::string name, surname;
				size_t age;

				system("cls");
				std::cout << "Pls enter the prarameters down below:" << std::endl << "Name = ";
				std::getline(std::cin, name);
				std::cout << "Surname = ";
				std::getline(std::cin, surname);
				std::cout << "Age = ";
				std::cin >> age;

				if (add(age, name, surname))
					std::cout << std::endl << "User is succesfully added" << std::endl;
				else
					std::cout << std::endl << "User is not added" << std::endl;

				Sleep(2000);
			}break;

			case '4':
				isRunning = false;
				break;
			}
		}
	}

	return 0;
}