1

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String [] domino1 = reader.readLine().split(" ");
        String [] domino2 = reader.readLine().split(" ");
        int a = Integer.parseInt(domino1[0]);
        int b = Integer.parseInt(domino1[1]);
        int x = Integer.parseInt(domino2[0]);
        int y = Integer.parseInt(domino2[1]);

        if (a == x) {
            System.out.println(b + " " + a + " " + x + " "  + y);
        }
        else if (a == y) {
            System.out.println(b + " " + a + " " + y + " "  + x);
        }
        else if (b == x) {
            System.out.println(a + " " + b + " " + x + " "  + y);
        }
        else if (b == y) {
            System.out.println(a + " " + b + " " + y + " "  + x);
        }
        else {
            System.out.println(-1);
        }
    }
}