#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2")
#include <bits/stdc++.h>
#define INF 1000000001LL
#define LNF 1000000000000000001LL
#define MOD 1000000007LL
#define MAX 300005
#define long long long
#define all(x) x.begin(),x.end()
using namespace std;
int main()
{
	ios_base::sync_with_stdio(0); 
    cin.tie(0);

    int n;
    cin >> n;

    vector<pair<int,int>> arr(n);

    vector<int> sortArr;
    
    for(int i = 0; i<n; i++)
    {
        cin >> arr[i].first >> arr[i].second;
        sortArr.push_back(arr[i].first);
        sortArr.push_back(arr[i].second);
    }
    sort(all(sortArr));


    vector<int> hap(2*n);
    for(int i = 0; i<n; i++)
    {
        arr[i].first = lower_bound(all(sortArr),arr[i].first)-sortArr.begin();
        arr[i].second = lower_bound(all(sortArr),arr[i].second)-sortArr.begin();
        hap[arr[i].first]++;
        hap[arr[i].second]--;
    }

    for(int i = 1; i<2*n; i++)
        hap[i]+=hap[i-1];
    
    cout << (*max_element(all(hap)))-1 << endl;

    return 0;
}