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