from itertools import permutations

cs = map(int, raw_input().strip().split())
coords = [(cs[i], cs[i+1]) for i in range(0, 6, 2)]
orders = permutations(range(3))


def check(s):
    x0, y0 = coords[s[0]]
    x1, y1 = coords[s[1]]
    x2, y2 = coords[s[2]]
    dx = x1 - x0
    dy = y1 - y0
    if x2 != x1 + dy or y2 != y1 - dx:
        return None
    return (x0 + dy, y0 - dx)

for orders in permutations(range(3)):
    res = check(orders)
    if res:
        print('%d %d' % res)
        quit()
print(-1)