import itertools
import numpy as np


def main():
    points = np.array_split(list(map(int, input().split())), 3)
    for a, b, c in itertools.permutations(points):
        if np.linalg.norm(a - b) == np.linalg.norm(c - b) and np.dot(a - b, c - b) == 0:
            print(*(a + c - b))
            exit()
    print(-1)


if __name__ == "__main__":
    main()