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