04. Car Number

import java.util.Scanner;

public class CarNumber {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int startNum = Integer.parseInt(scanner.nextLine());
        int finalNum = Integer.parseInt(scanner.nextLine());

        for (int i = startNum; i <= finalNum; i++) {
            for (int k = startNum; k <= finalNum; k++) {
                for (int j = startNum; j <= finalNum; j++) {
                    for (int x = startNum; x <= finalNum; x++) {
                        if ((i % 2 == 0 && x % 2 == 1 || i % 2 == 1 && x % 2 == 0)
                                && i > x && (k + j) % 2 == 0) {
                            System.out.printf("%d%d%d%d ", i, k, j, x);
                        }
                    }
                }
            }
        }
    }
}