// editor1
#include<stdio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node*prev;
    struct node*next;
}Node;
Node *head=NULL,*tail,*itr;
void create(int num){
    Node *newNode=(Node*)malloc(sizeof(Node));
    newNode->data=num;
    newNode->prev=NULL;
    newNode->next=NULL;
    if(head==NULL){
        head=newNode;
        tail=newNode;
    }
    else{
        newNode->prev=tail;
        tail->next=newNode;
        tail=newNode;
    }
}
void delete(int val){
    itr=itr->next;
    if(head==val){
        head=head->next;
    }
    while(head!=NULL){
        if(itr==val){
            itr->prev->next=head;
            itr->next->prev=head->next;
        }
        itr=head->next;
        temp(itr);
    }
}
void display(){
    Node *i;
    for(i=head;i!=NULL;i=i->next){
        printf("%d ",i->data);
    }
}

int main(){
    int i,size,num,val;
    scanf("%d",&size);
    if(size<0){
        printf("Invalid input");
        return 0;
    }
    for(i=0;i<size;i++){
        scanf("%d",&num);
        create(num);
    }
    display();
    return 0;
}