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