// https://yukicoder.me/problems/no/2757
fun main() {
    var (n, K) = readln().split(" ").map { it.toInt() }
    var x = readln().split(" ").map { it.toInt() }
    var ans = 1
    var i = 0
    var j = 1

    while (j < n){
        if ( (x[j] - x[i]) >= K ) {
            ans = ans + 1
            i = j
        }
        j = j+1
    }

    println (ans)
}