void merge2Lists(List* x, List* y, List* final)
{
	Node* a = (Node*)malloc(sizeof(Node));
	Node* b = (Node*)malloc(sizeof(Node));

	a = x->first;
	b = y->first;

	while (a != NULL && b != NULL)
	{
		if (a->data < b->data)
		{
			insertNode(final, a->data);
			a = a->next;
		}
		else
		{
			if (a->data > b->data)
			{
				insertNode(final, b->data);
				b = b->next;
			}
			else
			{
				insertNode(final, a->data);
				insertNode(final, b->data);
				a = a->next;
				b = b->next;
			}
		}
	}
	while (a != NULL)
	{
		insertNode(final, a->data);
		a = a->next;
		op++;
	}
	op++;
	while (b != NULL)
	{
		insertNode(final, b->data);
		b = b->next;
		op++;
	}
	op++;
	free(a);
	free(b);
}