use std::io::Read;

fn run() {
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut it = s.trim().split_whitespace();
    let n: usize = it.next().unwrap().parse().unwrap();
    let a: Vec<usize> = (0..n).map(|_| it.next().unwrap().parse().unwrap()).collect();
    let mut dp1 = vec![0; n + 1];
    let mut dp2 = vec![0; n + 1];
    dp2[n - 1] = 1;
    for i in (0..(n - 1)).rev() {
        dp1[i] = std::cmp::max(dp1[i + 1], dp2[i + 1]);
        if a[i] == a[i + 1] {
            dp2[i] = std::cmp::max(dp1[i + 1], dp2[i + 1]) + 1;
        } else if a[i] > a[i + 1] {
            dp2[i] = dp1[i + 1] + 1;
        } else {
            dp2[i] = dp1[i + 1] + 1;
        }
    }
    let ans = std::cmp::max(*dp1.iter().max().unwrap(), *dp2.iter().max().unwrap());
    println!("{}", ans);
}

fn main() {
    run();
}