tsst

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import java.util.Scanner;

public class Main {

public static void main(String[] args){

List list=new ArrayList();

Scanner sc=new Scanner (System.in) ;

int x=sc.nextInt();

for(int i=0;i<x;i++){

list.add(new PersonSortable(sc.next(),sc.nextInt())) ;

}

Collections.sort(list);

for(PersonSortable e:list){

S

}

}

public class PersonSortable implements Comparable {

@Override
public String toString() {
    return name+'-'+age;
}
private String name;
private int age;
public  PersonSortable(String name,int age){
    this.name=name;
    this.age=age;
}

public String getName() {
    return name;
}

public int getAge() {
    return age;
}

public int compareTo(PersonSortable o){

int x=this.name.compareTo(o.name);

if(x!=0) return x;

else return this.getAge()-o.getAge();

}

}