#include <stdio.h>
int main()
{
    int N, i;
    int arr[10];
    int *start, *end, temp;
    scanf("%d", &N);
    if (n <= 0)
    {
        printf("Invalid Input");
        return 0;
    }
    
    for (i = 0; i < n; i++)
    {
        scanf("%d", &arr[i]);
    }
    
    
        for (i = 0; i < n; i++)
        {
            printf("%d ", arr[i]);
        }
        printf("\n");
        start = arr;
        end = arr + n - 1;
        
        while (start < end)
        {
            temp = *start;
            *start = *end;
            *end = temp;
            
            start++;
            end--;
        }
        for (i = 0; i < n; i++)
        {
            printf("%d ", arr[i]);
        }
        return 0;
}