// editor1
#include<stdio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node *next;
}node;
node *head=NULL,*tail;
void create(int num){
    node *newnode=malloc(1*sizeof(node));
    newnode->data=num;
    newnode->next=NULL;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }else{
    tail->*next=newnode;
    tail=newnode;
    }
} 
void display(){
    node*itr;
    for(itr=head;itr!=NULL;itr=itr->next){
        printf("%d",itr);
        
        
    }
}
int main(){
    
    int size,num,itr;
    scanf("%d",&size);
    for (itr=1;itr<size;itr++){
        scanf("%d",&num);
        create(num);
    }
display();
return 0;
    
}