#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;

int main() {
    ll N, K; cin >> N >> K;
    vector<ll> X(N); for(int i = 0; i < N; i++) cin >> X[i];
    ll p = X[0];
    int ans = 1;
    for(int i = 1; i < N; i++) {
        if(X[i] - p >= K) {
            ans++;
            p = X[i];
        }
    }
    cout << ans << endl;
}