import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

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) {
		SLLNode tmp = first;
		SLLNode prethoden = null;
		while (tmp != null) {
			if (tmp.plata < iznos) {
				if (prethoden == null)
					first = tmp.succ;
				else
					prethoden.succ = tmp.succ;
			}
            else {
				prethoden = tmp;
			}
			tmp = tmp.succ;
		}
		return this;
	}

	public SLL sortiraj_opagacki()  {
		SLLNode pom = first;
		List<SLLNode> list = new ArrayList<SLLNode>();
		while(pom != null){
			list.add(pom);
            pom=pom.succ;
		}
		Collections.sort(list, new Comparator<SLLNode>() {

			@Override
			public int compare(SLLNode arg0, SLLNode arg1) {
				if(arg0.id<arg1.id)
					return 1;
				return -1;
			}
		});
		this.deleteList();
		for(SLLNode t : list){
			this.insertLast(t.id, t.plata);
		}
		return this;
	}

	public void pecati(SLL lista) {
		SLLNode p = lista.first;
		if(first==null)
			System.out.println("nema");
		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);
		}

	}
}