459A.cpp

//459A.cpp
//Pashmak and Garden
//Author: Ikki
//May 31, 2015

#include<iostream>
using namespace std;

int main()
{
	int x1, y1, x2, y2;
	cin >> x1 >> y1 >> x2 >> y2;
	if (x1 == x2)
	{
		cout << x1 + y2 - y1 << " " << y1 << " " << x2 + y2 - y1 << " " << y2 << endl;
	}
	else if (y1 == y2)
	{
		cout << x1 << " " << y1 + x2 - x1 << " " << x2 << " " << y2 + x2 - x1 << endl;
	}
	else if (abs(x2 - x1) == abs(y2 - y1))
	{
		cout << x2 << " " << y1 << " " << x1 << " " << y2 << endl;
	}
	else
	{
		cout << -1 << endl;
	}
	return 0;
}