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