#include<stdio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node *next;
    
}s1;

s1 *head=NULL,*tail=NULL;
int min=0;

void create(int num){
    s1 *new=(s1*)malloc(sizeof(s1));
    new->data=num;
    new->next=NULL;
    if(head==NULL){
        head=new;
        tail=new;
    }else{
        tail->next=new;
        tail=new;
    }
}

void display(int size){
    s1 *i;
    for(i=head;i!=NULL;i=i->next){
        if(size/2==0){
            printf("%d ")
        }
        
        
    }
    printf("%d ",min);
}

int main(){
    int size,num;
    scanf("%d",&size);
    if(size<0){
        printf("Invalid Input");
        return 0;
    }
    for(int i=1;i<=size;i++){
        scanf("%d ",&num);
        create(num);
    }
    display(size);
}