#include<stdio.h>
#include<stdlib.h>

typedef struct Node{
    int data;
    struct Node*prev;
    struct Node*next;
}Node;
Node*head=NULL,*tail;

void create( int num){
    
    Node*newNode=(Node*)malloc(1 *sizeof(Node));
    newNode->data=num;
    newNode->prev=NULL;
    newNode->next=NULL;
}
    if(head==NULL){
        head=newNode;
        tail=newNode;
    }
    else{
        newNode->next=head;
        tail->next=newNode;
        tail=newNode;
    }
    void display(){
        Node*itr;
        for(itr=head;itr!=NULL;itr=itr->next){
              printf("%d",itr->data);
    }
    int main(){
        int size,num,itr;
        scanf("%d",&size);
        for(itr=1;itr<=size;itr++){
            scanf("%d",&num);
        create(num);
    }
    display();
    return 0;
}