#include<stdio.h>
int main() {
    int n;
    scanf("%d", &n);
    if (n <= 0) {
        printf("Invalid input");
        return 0;
    }
    int a[n];
    for (int i = 0; i < n; i++)
    scanf("%d", &a[i]);
     for (int i = 0; i < n; i++)
     printf("%d ",a[i]);
     printf("\n");
     for (int i = 0, j = n - 1; i < j; i++, j--) {
         int t = a[i];
         a[i] = a[j];
         j[j] = t;
     }
     for (int i = 0; i < n; i++)
     printf("%d ", a[i]);
     return 0;
}