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#include <iostream>
using namespace std;

struct node {
    int val;
    node * next;
};
struct SLL {
    node * head;
    
    void init() {
        head = NULL;
    }
    void insertFirst(int x) {
        node * tmp_node = new node;
        tmp_node->val = x;
        
        if(head == NULL) {
            head = tmp_node;
        }
        else {
            tmp_node->next = head;
            head = tmp_node;
        }
    }
    void insertLast(int x) {
        node * tmp_node = new node;
        tmp_node -> val = x;
        if(head == NULL) {
            head = tmp_node;
        }
        else {
            node * tmp = head;
            while(tmp->next != NULL) {
                tmp = tmp->next;
            }
            tmp->next = tmp_node;
        }
    }
    void deleteFirst() {
        if(head != NULL) {
            if(head -> next == NULL) {
                delete head;
                head = NULL;
            }
            else {
                node * tmp = head;
                head = head->next;
                delete tmp;
            }
        }
    }
    void deleteLast() {
        if(head != NULL) {
            if(head -> next == NULL) {
                delete head;
                head = NULL;
            }
            else {
                node * tmp = head;
                node *prev;
                
                while(tmp->next != NULL) {
                    prev = tmp;
                    tmp = tmp->next;
                }
                prev->next = NULL;
                delete tmp;
            }
        }
    }
    void deleteAll() {
        while(head != NULL) {
            deleteFirst();
        }
    }
    void print() {
        node * tmp = head;
        while(tmp != NULL) {
            cout << tmp->val << " --> ";
            tmp = tmp -> next;
        }
        cout << endl;
    }
    bool deleteNode(int x) {
        if(head != NULL and head->val == x) {
            deleteFirst();
            return true;
        }
        node *tmp = head;
        node *prev = NULL;
        while(tmp != NULL and tmp->val != x) {
            prev = tmp;
            tmp = tmp->next;
        }
        if(tmp != NULL and tmp->val == x and tmp->next == NULL) {
            deleteLast();
            return true;
        }
        
        if(tmp != NULL and tmp->val == x) {
            prev->next = tmp->next;
            delete tmp;
            return true;
        }
        return false;
    }
};

void func(SLL & sll, int x) {
    while(sll.deleteNode(x)) {
        
    }
    sll.print();
}
int main() {
    int n;
    cin >> n;
    
    SLL sll;
    sll.init();
    for(int i = 0; i < n; i++) {
        int x;
        cin >> x;
        sll.insertLast(x);
    }
    sll.print();
    int number;
    cin >> number;
    func(sll, number);
    
    
    return 0;

}