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

public class Main {
    public static void main(String[] args) {
        int[] arr = new int[6];
        int[] reverse=new int [6];
        Scanner scanner = new Scanner(System.in);
        for (int i = 0; i < arr.length; i++) {
            arr[i] = scanner.nextInt();
        }
        System.out.println(Arrays.toString(arr));
        for(int i =0;i<arr.length;i++)
        {
            reverse[i]=arr[arr.length-i-1];
        }
        System.out.println(Arrays.toString(reverse));
    }
}