using System;
using System.Linq;
using System.Collections.Generic;


namespace Application
{
    class Data
    {
        public int ID;
        public int M;
        public Data(int id, int m)
        {
            this.ID = id;
            this.M = m;
        }
        public override string ToString()
        {
            return string.Format("{0} {1}", this.ID, this.M);
        }
    }
    class MainClass
    {
        public static void Main(string[] args)
        {
            var list = new List<Data>();
            var n = int.Parse(Console.ReadLine());
            for (var i = 0; i < n; i++)
            {
                var str = Console.ReadLine().Split(' ');
                list.Add(new Data(int.Parse(str[0]), int.Parse(str[1])));
            }
            list.OrderByDescending(x => x.M).ToList().ForEach(x => Console.WriteLine(x.ToString()));
        }
    }
}