using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    class person

    {

    public string name

    {get;set;}

        public int age

        {get;set;}

        public void print()

        {

            Console.WriteLine("{0} {1}",name,age);

        }

    }

    public static void Main()

    {

        List<person> fam = new List<person>();

        int n = int.Parse(Console.ReadLine());

        for(int i =1;i <=n; i++)

        {

        person per = new person();

            per.name = Console.ReadLine();

            per.age = int.Parse(Console.ReadLine());

            fam.Add(per);

        }

        var sortfam = fam.OrderBy(x => x.name);

        foreach (person A in sortfam) A.print();

        //var sortfam1 = fam.OrderBy(x => x.name);

        //foreach (person B in sortfam1) B.print();

    }

}