#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 << x1 + y2 - y1 << " " << y1 << " " << x1 + y2 - y1 << " " << y2;
      ;
    } else if (y1 == y2) {
      cout << x1 << " " << y1 + x2 - x1 << " " << x2 << " " << y1 + x2 - x1
           << " ";
    } else if (abs(x2 - x1) != abs(y2 - y1)) {
      cout << -1;
    } else {
      cout << x1 << " " << y2 << " " << x2 << " " << y1;
    }
  }
  return 0;
}
