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