public class MyClass {
    public static void main(String args[]) {
        java.util.Scanner scanner = new java.util.Scanner(System.in);
        String beginning = scanner.nextLine();
        String ending = scanner.nextLine();
        for (int j = Character.getNumericValue(beginning.charAt(0)); j <= Character.getNumericValue(ending.charAt(0)); j++) {
            for (int k = Character.getNumericValue(beginning.charAt(1)); k <= Character.getNumericValue(ending.charAt(1)); k++) {
                for (int l = Character.getNumericValue(beginning.charAt(2)); l <= Character.getNumericValue(ending.charAt(2)); l++) {
                    for (int m = Character.getNumericValue(beginning.charAt(3)) ; m <= Character.getNumericValue(ending.charAt(3)); m++) {
                        if (j % 2 != 0 && k % 2 != 0 && l % 2 != 0 && m % 2 != 0) {
                            System.out.printf("%d%d%d%d ",j,k,l,m);
                        }
                    }
                }
            }
        }
    }
}