void unic(int *mas, int n)
{
	int i = 0;
	bool k = 0;
	for (int i = 0; i < n; i++)
	{
		for (int j = i + 1; j < n; j++)
		{
			if (mas[i] == mas[j])
			{
				k++;
				mas[j] = -1;
				break;
			}
		}
		if (mas[i] == -1)
			continue;
		if (k == 0)
		{
			printf("%d ", mas[i]);
		}
		k = 0;
	}
}