import java.util.Arrays;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        int[] arr = new int[6];
        int[] ans = new int[6];
        Scanner scanner = new Scanner(System.in);
        for (int i = 0; i < arr.length; i++) {
            arr[i] = scanner.nextInt();
            ans[5 - i] = arr[i];
        }
        System.out.println(Arrays.toString(arr));

        
        

        System.out.println(Arrays.toString(ans));
    }
}