use proconio::input;

fn main() {
    input! {
        (n, k): (usize, i64),
        xx: [i64; n],
    }

    let mut ans = 1;
    let mut prev = xx[0];
    for &x in &xx[1..] {
        if x - prev >= k {
            ans += 1;
            prev = x;
        }
    }

    println!("{}", ans);
}