#include<stdio.h>
#include<stdlib.h>
#include<string.h>
typedef struct node{
    char data[20];
    struct node*next;
    struct node*prev;
}Node;
Node*head=NULL,*tail;
void create(char ch){
    Node*newNode=(Node*)malloc(sizeof(Node));
    strcpy(newNode->next=ch);
    newNode->next=NULL;
    if(head==NULL){
        head=newNode;
        tail=neNode;
    }
    else{
        newnode->prev=tail;
        tail->next=newnode;
        tail=newnode;
    }
}
void display(){
    Node*itr;
    for(itr=tail;itr!=head;itr=itr->prev){
        printf("%s ",itr->data);
        printf("%s",itr->data);
    }
    int main(){
        int size,itr;
        scanf("%d",&size);
        if(size<0){
            printf("Invalid input");
            return 0;
    }
    char ch[20];
    for(itr=1;itr<=size;itr++){
        if(scanf("%s",ch)!=1)
        break;
        create(ch);
    }
    display();
    return 0;
}