fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();
    let mut a = String::new();
    std::io::stdin().read_line(&mut a).ok();
    let a: Vec<usize> = a.trim().split_whitespace().map(|s| s.parse::<usize>().unwrap()-1).collect();

    let mut b = (0..n).map(|i| (a[i], i)).collect::<Vec<_>>();
    b.sort();
    let mut used = vec![false; n];
    let mut result = 0usize;
    for &(_, i) in b.iter() {
        if i == n-1 || !used[i+1] {
            used[i] = true;
            result += 1;
        }
    }
    println!("{}", result);
}