import itertools

a, b, c, d, e, f = map(int,input().split())
x = [a, c, e]
y = [b, d, f]

l = list(itertools.permutations([0, 1, 2]))

for i, j, k in l:
    if x[k] == x[j] + y[i] - y[j] and y[k] == y[j] + x[j] -x[i]:
        X = x[k] + x[i] - x[j]
        Y = y[k] + y[i] - y[j]
        print(X, Y)
        break
    
else:
    print(-1)