#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=(Node*)malloc(1*sizeof(Node));
    newnode->data=num;
    newnode->next=NULL;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }
    else{
        tail->next=newnode;
        tail=newnode;
    }
}
void delete(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 *itr;
    for(itr=head;itr!=NULL;itr=itr->next){
        printf("%d",itr->data);
    }
}
int main(){
    int size,itr,num,pos;
    scanf("%d",&size);
    if(size<=0){
        printf("Invalid input");
        return 0;
      }
      for(itr=1;itr<=size;itr++){
          if(!scanf("%d",&num));{
              printf("Invalid input");
              return 0;
          }
          for(itr=1;itr<=size;itr++){
              scanf("%d",&num);
              create(num);
          }
          scanf("%d",&pos);
          if(pos<1 || pos>=size){
              printf("Invalid input");
              return 0;
          }
      }
      deletion(pos);
      display();
      return 0;
    }