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);
        WriteLine(Mat(n, map));
    }
    static int Mat(int n, int[][] map)
    {
        var elist = new List<(int l, int f)>();
        foreach (var m in map)
        {
            elist.Add((m[0], 1));
            elist.Add((m[1], -1));
        }
        elist.Sort((l, r) =>
        {
            var d = l.l.CompareTo(r.l);
            if (d != 0) return d;
            return l.f.CompareTo(r.f);
        });
        var ans = 0;
        var tmp = 0;
        foreach (var e in elist)
        {
            tmp += e.f;
            ans = Math.Max(ans, tmp);
        }
        return ans - 1;
    }
}