#include<stdio.h>
#include<stdlib.h>
struct Node{
    int data;
    struct Node* next;
};
int main(){
    int n;
    scanf("%d",&n);
    struct Node *head = NULL, *tail = NULL;
    for(int i = 0;i<n; i++){
        int value;
        scanf("%d",&value);
        struct Node* newNode = (struct Node*)malloc(sizeof(struct Node));
        newNode->data=value;
        newNode->next = NULL;
        if(head == NULL){
            head = tail = newNode;
        }
        else{
            tail->next = newNode;
            tail = newNode;
        }
        int x;
        scanf("%d",&x);
        struct Node *temp = head, *prev = NULL;
        int found = 0;
        while(temp ! =NULL){
            if(temp->data == x){
                found = 1;
                if(prev == NULL){
                    head = temp->next;
                }
                else{
                    prev->next = temp->next;
                }
                free(temp);
                temp = temp->next;
            }
            if(!found){
                printf("Node of found");
                return 0;
            }
            temp = head;
            while(temp !=NULL){
                printf("%d",temp->data);
                if(temp->next !=NULL){
                    printf(" ");
                }
                temp = temp->next;
            }
            return 0;
        }
    }
}