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