int main()
{
	char key;
	while(true)
	{
		if(_kbhit())
		{
			key = _getch();
			if (key == 'w')
				cout << "Up\n";
			else if (key == 's')
				cout << "Down\n";
			else if (key == 32)
				system("cls");
			else if (key == 27)
				return 0;
			else
				cout << (int)key << '\n';
		}
	}

	system("pause");
	return 0;
}