use std::collections::HashMap;

use proconio::input;

fn main() {
    input! {
        n:usize,
        r:[(usize,usize);n],
    }

    let mut comp = HashMap::new();
    let mut vals = vec![];
    for i in 0..n {
        vals.push(r[i].0);
        vals.push(r[i].1);
    }

    vals.sort();
    vals.dedup();
    for (i, &val) in vals.iter().enumerate() {
        comp.insert(val, i);
    }

    let mut imos = vec![0; 2 * n];
    for i in 0..n {
        imos[comp[&r[i].0]] += 1;
        imos[comp[&r[i].1]] -= 1;
    }

    let mut ans = imos[0];
    for i in 1..2 * n {
        imos[i] += imos[i - 1];
        ans = ans.max(imos[i]);
    }

    ans -= 1;
    println!("{}", ans);
}