adasda

import java.util.Scanner;


public class Main {

    public static void main(String[] args) {
        Scanner ob = new Scanner(System.in);
        String[] kony = ob.nextLine().split(" ");
        int inputOne = Integer.parseInt(kony[0]);
        int inputTwo = Integer.parseInt(kony[1]);

        // First shit
        System.out.println("First iteration");
        for (int numbers = inputOne; numbers < inputTwo; numbers++) {
            if (shouldPrint(numbers, inputOne) && shouldPrint(numbers, inputTwo))
                System.out.println("" + numbers);
        }

        //Second shit
        System.out.println("Second iteration");
        for (int numbers = inputTwo; numbers > inputOne; numbers--) {
            if (shouldPrint(numbers, inputOne) && shouldPrint(numbers, inputTwo))
                System.out.println("" + numbers);
        }
    }

    public static boolean shouldPrint(final int input, final int number) {
        return input != number;
    }

}