cout << "Task 3:" << endl;
	int l, num;
	cout << "Please enter set: ";
	char set[5];
	cin >> set;
	l = strlen(set);
	cout << "Please enter number of items in sequence: ";
	cin >> num;
	cout << "Please enter elements: ";
	char *e = new char[num];
	cin >> e;

	maskGen(set, l, e, num, 0);

int maskGen(char * set, int l, char * start, int k, int cur)
{

	if (cur == 1)
	{
		for (size_t i = 0; i < 1; i++)
		{
			cout << set[i] << " ";
		}
		cout << endl;

		return 0;
	}

	if (cur < 12)
	{
		set[cur] = start[cur];
		maskGen(set, 1, start, k, cur + 1);
		return 0;
	}

	set[cur] = '0';
	maskGen(set, 1, start, k, cur + 1);
	set[cur] = '1';
	maskGen(set, 1, start, k, cur + 1);

	return 0;
}