#include<bits/stdc++.h>
using namespace std;
struct Node{
	int data;
	Node *next;
};
int a[100005];
int main(){
	int n;
	cin>>n;
	Node *head=nullptr;
	for(int i=1;i<=n;i++){	
		Node *now=new Node;
		int da;
		cin>>da;
		now->data=da;
		now->next=head;
		head=now;
	}
	Node *move=head;
	int num=n;
	while(move!=nullptr){
		a[num]=move->data;
		move=move->next;
		num--;
	}
	for(int i=1;i<=n;i++){
		cout<<a[i];
	}
	Node *mov=head;
	for(int i=1;i<=n;i++){
		delete mov;
		mov=mov->next;
	}
}