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