#include "bits/stdc++.h"
#define ll               long long

using namespace std;


void SOLVE(){
    int n,l,r;
    cin>>n;
    vector<pair<int,int>>v;
    for(int i=0;i<n;i++){
        cin>>l>>r;
        v.push_back({l,0});
        v.push_back({r,1});
    }
    sort(v.begin(),v.end());
    int cur=0;
    int ans=0;

    for(int i=0;i<v.size();i++){
        if(v[i].second==0){//in
            cur++;
        }else{//out
            cur--;
        }
        ans=max(ans,cur);
    }
    cout<<ans<<endl;
}

signed main(){
    int T=1;
//    cin>>T;
    while(T--)
        SOLVE();

    return 0;
}