#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 1 = 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];
         a[j]=t;
     }
     for (int i = 0; i < n; i++)
          printf("%d ",a[i]);
     return 0;
     }
          
    }
}