kompanija

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Collections;


class SLLNode {
    protected int id;
    protected int plata;
    protected SLLNode succ;

    public SLLNode(int id, int plata, SLLNode succ) {
        this.id = id;
        this.plata = plata;
        this.succ = succ;
    }
}

class SLL {
    private SLLNode first;

    public SLL() {
        // Construct an empty SLL
        this.first = null;
    }

    public void deleteList() {
        first = null;
    }

    public int length() {
        int ret;
        if (first != null) {
            SLLNode tmp = first;
            ret = 1;
            while (tmp.succ != null) {
                tmp = tmp.succ;
                ret++;
            }
            return ret;
        } else
            return 0;

    }


    public void insertFirst(int id, int plata) {
        SLLNode ins = new SLLNode(id, plata, first);
        first = ins;
    }

    public void insertLast(int id, int plata) {
        if (first != null) {
            SLLNode tmp = first;
            while (tmp.succ != null)
                tmp = tmp.succ;
            SLLNode ins = new SLLNode(id, plata, null);
            tmp.succ = ins;
        } else {
            insertFirst(id, plata);
        }
    }

    public SLLNode getFirst() {
        return first;
    }


    public SLL brisi_pomali_od(int iznos) {
        // Vasiot kod tuka
        SLLNode jazol = this.getFirst();
        while (jazol.succ != null&&jazol.succ.succ != null) {
            if (jazol.succ.plata < iznos)
                jazol.succ = jazol.succ.succ;
            else jazol = jazol.succ;
        }
        if (jazol.succ != null&&jazol.succ.plata < iznos) jazol.succ = null;
        else if (jazol.succ != null) jazol = jazol.succ;
        if (getFirst().succ != null && getFirst().plata < iznos)
            first = first.succ;
        if (getFirst().plata < iznos) {
            System.out.println("nema");
            this.deleteList();
        }
        return this;
    }

    public SLL sortiraj_opagacki() {
        // Vasiot kod tuka
        SLLNode startFirst = getFirst();
        while (startFirst != null) {
            SLLNode j = startFirst;

            while (j != null) {
                if (startFirst.id < j.id) {
                    int tmp = startFirst.plata;
                    startFirst.plata = j.plata;
                    j.plata = tmp;

                    tmp = startFirst.id;
                    startFirst.id = j.id;
                    j.id = tmp;
                }
                j = j.succ;
            }
            startFirst = startFirst.succ;
        }
        return this;
    }

    public void pecati(SLL lista) {
        SLLNode p = lista.first;
        while (p != null) {
            System.out.println(p.id + " " + p.plata);
            p = p.succ;
        }
    }

}

public class SLLKompanija {
    public static void main(String[] args) throws IOException {

        SLL lista1 = new SLL();
        BufferedReader stdin = new BufferedReader(new InputStreamReader(
                System.in));
        String s = stdin.readLine();
        int N = Integer.parseInt(s);

        for (int i = 0; i < N; i++) {
            s = stdin.readLine();
            String s1 = stdin.readLine();
            lista1.insertLast(Integer.parseInt(s), Integer.parseInt(s1));
        }
        s = stdin.readLine();

        lista1 = lista1.brisi_pomali_od(Integer.parseInt(s));
        if (lista1 != null) {
            lista1 = lista1.sortiraj_opagacki();
            lista1.pecati(lista1);
        }

    }
}