#include <bits/stdc++.h>
using namespace std;
struct Job {
    int startTime;
    int endTime;
};
const int N=10e5;
int main() {
    int n;
    cin>>n;
    Job jobs[n];
     int time[N]={0};
    for(int i=0;i<n;i++) {

    cin>>jobs[i].startTime>>jobs[i].endTime;
    time[jobs[i].startTime]+=1;
    time[jobs[i].endTime]-=1;

    }
    int maxConcurrentJobs=time[0];
    for(int i=1;i<N;i++) {
        time[i]+=time[i-1];
        maxConcurrentJobs=max(maxConcurrentJobs,time[i]);
    }
    cout<<maxConcurrentJobs<<endl;




}