#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(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 printmiddle(int n){
    nd *temp=head;
    int mid=n/2;
    for(int i=0;i<mid;i++){
        temp =temp->next;
    }
    printf("%d",temp->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();
    printmiddle();
    return 0;
}