#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);++i)
#define all(a) (a).begin(),(a).end()
#define dunk(a) cout << (a) << endl
using namespace std;
typedef long long ll;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	vector<int> x(4);
	vector<int> y(4);
	rep(i, 3) {
		cin >> x[i] >> y[i];
	}

	vector<int> v(3);
	iota(all(v), 0);

	do {
		int dx = x[v[1]] - x[v[0]];
		int dy = y[v[1]] - y[v[0]];

		if (x[v[1]] - dy == x[v[2]] && y[v[1]] + dx == y[v[2]]) {
			cout << x[v[2]] - dx << ' ' << y[v[2]] - dy << endl;
			return 0;
		}
	} while (next_permutation(all(v)));

	dunk(-1);

	return 0;
}