#include<stdio.h>
#include<stdlib.h>
typedef struct node {
    int data;
    struct node*next;
    struct node*prev;
}Node;
Node*head=NULL,*tail,*itr;
void create(int num){
    Node*nreNode=(Node*)malloc(sizeof(Node));
    newnode->data=num;
    newNode->next=NULL;
    newNode->prev=NULL;
    if(head==NULL)
    {
        head=newNode;
        tail=newNode;
    }
    else {
        tail->next=newNode;
        newNode->prev=tail;
        tail=newNode;
    }
}
void display() {
    Node*itr;
    for(itr=head;itr!=NULL;itr=itr->next) {
        printf("%d ",itr->data);
    }
}
int main() {
    int num,size,itr;
    scanf("%d",&size);
    if(size<=0) {
        printf("Invalid input");
        return 0;
    }
    for(itr=1;itr<=size;itr++) {
        if(!scanf("%d\n",&num)); {
            printf("Invalid input");
            return 0;
        }
        create(num);
    }
    display();
    return 0;
}