use proconio::input;

// #[proconio::fastout]
fn main() {
    input! {
        n: usize,
        k: isize,
        x: [isize; n],
    }

    let mut result = n;

    let mut prev = x[0];

    for i in 1..n {
        if x[i] - prev < k {
            // 右を抜く
            result -= 1;
        } else {
            prev = x[i];
        }
    }

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