#include <bits/stdc++.h>
using namespace std;
int32_t main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long x1, y1, x2, y2;
  cin >> x1 >> y1 >> x2 >> y2;
  if (x1 == x2 && y1 != y2) {
    cout << x1 + abs(y2 - y1) << " " << y1 << " " << x1 + abs(y2 - y1) << " "
         << y2;
  } else if (y1 == y2 && x1 != x2) {
    cout << x1 << " " << y1 + abs(x2 - x1) << " " << x2 << " "
         << y1 + abs(x2 - x1);
  } else if ((x2 - x1) != 0 &&
             ((y2 - y1) == (x2 - x1) || (y2 - y1) == (x1 - x2))) {
    cout << x1 << " " << y2 << " " << x2 << " " << y1;
  } else
    cout << -1;
  return 0;
}
