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