#include<bits/stdc++.h>
#define endl '\n'

using namespace std;
const int maxn=1e6+5;

int n,ans=-1,a[maxn];

signed main(){
	ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin>>n;
	bool flag=1;
	for(int i=1,x,y;i<=n;i++){
		cin>>x>>y;
		a[x]++,a[y+1]--;
		if(x!=y) flag=0;
	}
	if(flag){
		cout<<1<<endl;
		return 0;
	}
	for(int i=0;i<=1000001;i++){
		a[i]+=a[i-1];
		ans=max(ans,a[i]);
	}
	cout<<ans<<endl;
	return 0;
}