#danglam228

#include<bits/stdc++.h>
using namespace std;
int main() {
    int x1, y1, x2, y2;
    cin >> x1 >> y1 >> x2 >> y2;
    if (x1 == x2 && y1 != y2) {
        int res = abs(y2 - y1);
        cout << (x1 + res) << ' ' << y1 << ' ' << (x2 + res) << ' ' << y2 << endl;
    } else if (y1 == y2 && x1 != x2) {
        int res = abs(x2 - x1);
        cout << x1 << ' ' << (y1 + res) << ' ' << x2 << ' ' << (y2 + res) << endl;
    } else if (abs(x2 - x1) == abs(y2 - y1)) {
        cout << x1 << ' ' << y2 << ' ' << x2 << ' ' << y1 << endl;
    } else {
        cout << -1 << endl;
    }
    return 0;
}