dancho

import java.util.Scanner;

public class Matrices {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int a = Integer.parseInt(scanner.nextLine());
        int b = Integer.parseInt(scanner.nextLine());
        int c = Integer.parseInt(scanner.nextLine());
        int d = Integer.parseInt(scanner.nextLine());
        int[] arr = new int[4];
        for (int i = a; i <= b ; i++) {
            for (int j = a; j <= b; j++) {
                if(i != j) {
                    arr[0] = i;
                    arr[1] = j;
                    for (int k = c; k <= d; k++) {
                        for (int l = c; l <= d; l++) {
                            if(k != l){
                                arr[2] = k;
                                arr[3] = l;
                                if(arr[0] + arr[3] == arr[1] + arr[2]){
                                    System.out.printf("%d %d%n%d %d%n",arr[0],arr[1],arr[2],arr[3]);
                                }
                            }
                            else {
                                continue;
                            }
                        }
                    }
                }
                else {
                    continue;
                }
            }
        }

    }
}