if (x > y) {
		int temp = 0;
		if (x % 2 == 0)
		{
			temp = x / 2;
			sum += temp + temp / 2 - 1;
		}
		else if (x % 2 == 1) {
			temp = x / 2 + 1;
			sum += temp + temp / 2 - 1;
		}
	}