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