import java.io.File;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Scanner;

import java.io.IOException;

class LoaiPhong implements Comparable<LoaiPhong> {

private String line, name;

public LoaiPhong(String line) {

this.line = line;

this.name = line.trim().split("\\s+")[1];

}

public String getName() {

return name;

}

@Override

public String toString() {

return line;

}

@Override

public int compareTo(LoaiPhong o) {

return name.compareTo(o.getName());

}

}

public class loaiphong {

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

ArrayList<LoaiPhong> ds = new ArrayList<>();

Scanner in = new Scanner(new File("PHONG.in"));

int n = Integer.parseInt(in.nextLine());

while (n-- > 0) {

ds.add(new LoaiPhong(in.nextLine()));

}

Collections.sort(ds);

for (LoaiPhong tmp : ds) {

System.out.println(tmp);

}

}

}