#include<stdio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node *next;
}node;
node *head=NULL, *tail;
void create(int n){
    node *newnode=(node*) malloc (1*sizeof(node)); 
    newnode->data=n;
    newnode->next=NULL;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }
    else{
        tail->next=newnode;
        tail=newnode;
    }
}
void del(int pos){
    node *first=head;
    node *second=head->next;
    int cnt=1;
    while(1){
        if(cnt==pos){
            first->next=second->next;
            break;
        }
        first=first->next;
        second = second->next;
        cnt++;
    }
}

    void display(){
       node *i;
       for(i=0;i!=NULL;i++){
           printf("%d",i->data);
       }
    }
int main(){
    int i,n,s,pos;
    scanf("%d",&s);
    if(s<0){
        printf("Invalid input");
        return 0;
    }
    for(i=1;i<s;i++){
        scanf("%d",&n);
        create(n);
    }
    scanf("%d",&pos);
    if(pos<1) || pos>=s){
            printf("Invalid input");
            return 0;
        }
    del(pos);
    display();
    return 0;
    
}