X = [0] * 3; Y = [0] * 3
X[0], Y[0], X[1], Y[1], X[2], Y[2] = map(int, input().split())

P = ((0, 1, 2), (0, 2, 1), (1, 0, 2), (1, 2, 0), (2, 0, 1), (2, 1, 0))
for p in P:
	nX = [X[p[i]] for i in range(3)]; nY = [Y[p[i]] for i in range(3)]
	dx = nX[1] - nX[0]; dy = nY[1] - nY[0]
	if nX[1] - dy == nX[2] and nY[1] + dx == nY[2]:
		print(nX[2] - dx, nY[2] - dy)
		break
else:
	print(-1)