#include <bits/stdc++.h>
using namespace std;
int main() {
  int x1, y1, x2, y2, x3, y3, x4, y4;
  cin >> x1 >> y1 >> x2 >> y2;
  if (x1 == x2) {
    x3 = x1 + (y2 - y1);
    x4 = x1 + (y2 - y1);
    y3 = y1;
    y4 = y2;
    cout << x3 << " " << y3 << " " << x4 << " " << y4;
  } else if (y1 == y2) {
    x3 = x1;
    x4 = x2;
    y3 = y1 + (x2 - x1);
    y4 = y1 + (x2 - x1);
    cout << x3 << " " << y3 << " " << x4 << " " << y4;
  } else if ((x2 - x1 == y2 - y1) || (x2 - x1 == y1 - y2)) {
    x3 = x1;
    y3 = y2;
    x4 = x2;
    y4 = y1;
    cout << x3 << " " << y3 << " " << x4 << " " << y4;
  } else
    cout << "-1";
  return 0;
}
