using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var map = NArr(n);
        Array.Sort(map, (l, r) => (l[1] * r[0]).CompareTo(l[0] * r[1]));
        WriteLine(string.Join("\n", map.Select(mi => string.Join(" ", mi))));
    }
}