#include <iostream>
#include <random>
using namespace std;

int main()
{

	//seed random gen
	random_device seed{};

	// random gen
	mt19937 engine{ seed() };

	//uniform distribution
	uniform_int_distribution<> dis{ 1,10 };

	



	//output
	cout << "Welcome to multiply\n";
	cout << "Enter -1 to quit the program!\n";
	int userAnswer{};
	while (userAnswer != -1) {
		//generate 2 random ints
		int a{ dis(engine) };
		int b{ dis(engine) };
		cout << a << " * " << b << " = ? ";

		cin >> userAnswer;

		if (userAnswer == (a * b))
		{
			cout << "Correct!\n";
		}
		else if (userAnswer == -1)
		{
			cout << "Goodbye!\n";
		}
		else
		{
			cout << "Wrong!\n";
		}
	}
}