1 2
9
 7 6
4 20 16 14 3 17 4
 1 1
1000000000
 4 2
45 44 35 38
 2 1
4 1000000000
 2 1
1 4
 100 10
246 286 693 607 87 612 909 312 621 37 801 558 504 914 416 762 187 974 976 123 635 488 416 659 988 998 93 662 92 749 889 78 214 786 735 625 921 372 713 617 975 119 402 411 878 138 548 905 802 762 940 336 529 373 745 835 805 880 816 94 166 114 475 699 974 462 61 337 555 805 968 815 392 746 591 558 740 380 668 29 881 151 387 986 174 923 541 520 998 947 535 651 103 584 664 854 180 852 726 93
 3 3
1 5 20
 2 2
7 14
 9 30111088
824713578 11195876 458715185 731769293 680826358 189542586 550198537 860586039 101083021
 5 1
23 8 83 26 18
 3 1
4 8 16
 50 100
74 55 33 5 83 24 75 59 30 36 13 4 62 28 96 17 6 35 45 53 33 11 37 93 34 79 61 72 13 31 44 75 7 3 63 46 18 16 44 89 62 25 32 12 38 55 75 56 61 82
 9 1
1 2 4 9 15 32 64 128 1024
 2 5
10 11
 3 1
1 3 6
 3 19905705
263637263 417905394 108361057
 4 1
88 55 14 39
 3 1
4 5 6
 1 1
4
 3 2
4 9 18
 2 2
3 6
 1 1
20
 2 60669400
95037700 337255240
 29 2
1 3 7 15 31 63 127 255 511 1023 2047 4095 8191 16383 32767 65535 131071 262143 524287 1048575 2097151 4194303 8388607 16777215 33554431 67108863 134217727 268435455 536870911
 5 1
100 200 400 1000 2000
 2 10
21 42
 5 3
6 6 6 13 27
 3 1
1 4 6
 2 1
3 6
 1 1
3
 2 2
2 8
 1 1000000000
1
 4 1
2 4 8 32
 4 28
34 1 86 90
 4 25
100 11 1 13
 3 6
13 26 52
 3 3
1 7 13
 3 1
2 3 6
 2 1
3 5
 2 1
2 3
 2 2
8 16
 10 295206008
67980321 440051990 883040288 135744260 96431758 242465794 576630162 972797687 356406646 547451696
 5 3
1024 4096 16384 65536 536870913
 1 4
9
 2 1
5 10
 2 1
1 1000000000
 3 165219745
737649884 652879952 506420386
 3 72014068
430005292 807436976 828082746
 3 1
3 6 9
 2 2
8 11
 5 2
86 81 53 25 18
 1 1
2
 2 1
4 8
 3 2
4 5 6

2 1 29 4 28 1 1 1 1 2 4 1 0 4 0 1 3 4 1 1 1 0 4 1 27 7 1 2 1 1 1 1 0 1 1 1 1 1 0 1 0 1 0 24 1 2 29 1 2 1 1 4 0 1 0
import java.io.*;
import java.lang.reflect.Array;
import java.math.*;
import java.security.KeyStore.Entry;
import java.util.*;
 
public class Main {
	private InputStream is;
	private PrintWriter out;
	int time = 0, dp[][], DP[][], dist[], prime[], start[], parent[], end[],
			val[], black[], arr[], arr1[][];
	long MOD = (long) (1e9 + 9);
	ArrayList<Integer>[] amp;
	boolean b[], b1[];
	Pair prr1[];
	char ch[][], c[];
	HashSet<Integer> hs1 = new HashSet<>(), hs2 = new HashSet<>();
 
	public static void main(String[] args) throws Exception {
		new Thread(null, new Runnable() {
			public void run() {
				try {
 
					// new Main().soln();
				} catch (Exception e) {
					System.out.println(e);
				}
			}
		}, "1", 1 << 26).start();
		new Main().soln();
	}
 
	int MAX = 1000010, N, K;
	double Q = 1;
	double a = 1 , fa = 0;
	long B = 0;
	PriorityQueue<Pair> pq;
	int Dp[][] = new int[1010][1010];
	int MOD1 = 1000000007, MOD2 = 1000000009;
	void solve() {
		int n = ni(), k = ni();
		int arr[] = na(n);
		Arrays.sort(arr);
		long j = k*2+1;
		int cnt = 0;
		for(int i = 0; i< n; i++){
			if(arr[i]<=j){
				j = Math.max(j, 2*arr[i]+1);
			}
			while(arr[i]>j){
				cnt++;
				j*=2;
				j++;
			}
		}
		System.out.println(cnt);
	}
	int dfs(int x){
		b[x] = true;
		for(int i:amp[x]){
			if(!b[i]){
				parent[i] = x;
				dist[x] += dfs(i);
			}
		}
		return (++dist[x]);
	}
	void buildGraph(int n){
		while(n-->0){
			int x= ni()-1, y = ni()-1;
			amp[x].add(y);
			amp[y].add(x);
		}
	}
	void recur(int x, int y, int p){
		int val = 0;
		if(x>y || y<x) return;
		if(x>0){
			if(p==1){
				val = arr[x]-arr[x-1];
			}
			if(p==3){
				if(arr[x]-arr[x-1]<K){
					recur(x+1,y,3);
				}
				else val = arr[x]-arr[x-1];
			}
		}
		if(y<N){
			if(p==4){
				B += arr[y+1]-arr[y];
			}
			if(p==2){
				if(arr[y+1]-arr[y]<K){
					recur(x,y-1,2);
				}
				else val = arr[y+1]-arr[y];
			}
		}
		B += val;
		if(x==y){
			System.out.println(B+" "+a);
			fa += B*a;
		}
		//System.out.println(Q);
		a*=Q;
		recur(x+1,y,1);
		recur(x,y-1,2);
		a/=Q;
		a*=(1-Q);
		recur(x+1,y,3);
		recur(x,y-1,4);
		a/=(1-Q);
		B -= val;
		//System.out.println(a+" "+B);
	}
	class cell implements Comparable<cell>{
		char ch;
		int i;
		cell(char c, int x){
			ch = c;
			i = x;
		}
		public boolean equals(Object o) {
			cell other = (cell) o;
			return ((ch == other.ch && i == other.i));// || (v == other.u && u ==
			// other.v));
		}
		@Override
		public int compareTo(cell c) {
			if(this.ch<c.ch) return -1;
			if(this.ch==c.ch) {
				if(this.i<c.i)return 1;
				if(this.i==c.i) return 0;
				return -1;
			}
			return 1;
		}
 
		public String toString() {
			return "[u=" + ch + ", v=" + i + "]";
		}
		
	}
	int T[] = new int[100010], L[] = new int[100010];
	int P[][] = new int[100010][30];
 
	void process3(int N) {
		int i, j;
 
		// we initialize every element in P with -1
		for (i = 0; i < N; i++)
			for (j = 0; 1 << j < N; j++)
				P[start[i]][j] = -1;
 
		// the first ancestor of every node i is T[i]
		for (i = 0; i < N; i++)
			P[start[i]][0] = T[i];
 
		// bottom up dynamic programing
		for (j = 1; 1 << j < N; j++)
			for (i = 0; i < N; i++)
				if (P[start[i]][j - 1] != -1)
					P[start[i]][j] = P[P[start[i]][j - 1]][j - 1];
	}
 
	int query(int p, int q) {
		int tmp = 0, log = 0, i = 0;
 
		// if p is situated on a higher level than q then we swap them
		if (L[p] < L[q])
			tmp = p;
		p = q;
		q = tmp;
 
		// we compute the value of [log(L[p)]
		for (log = 1; 1 << log <= L[p]; log++)
			;
		log--;
 
		// we find the ancestor of node p situated on the same level
		// with q using the values in P
		for (i = log; i >= 0; i--)
			if (L[p] - (1 << i) >= L[q])
				p = P[p][i];
 
		if (p == q)
			return p;
 
		// we compute LCA(p, q) using the values in P
		for (i = log; i >= 0; i--)
			if (P[p][i] != -1 && P[p][i] != P[q][i])
				p = P[p][i];
		q = P[q][i];
 
		return T[p];
	}
 
 
	long ans = 0;
 
	void recur(int i, int k, long sum) {
		if (k > K)
			return;
		if (k == K) {
			ans = Math.max(ans, sum);
		}
		for (int j = i; j < N; j++) {
 
			recur(j + 1, k + 1, sum);
		}
	}
 
	long[] mul(long arr[][], long temp[]) {
		long ans[] = new long[temp.length];
		for (int i = 0; i < arr.length; i++) {
			long sum = 0;
			for (int j = 0; j < arr.length; j++) {
				sum = (sum + arr[i][j] * temp[j]) % MOD;
			}
			ans[i] = sum;
		}
		return ans;
	}
 
	void printMat(long arr[][]) {
		for (int i = 0; i < arr.length; i++) {
			for (int j = 0; j < arr.length; j++) {
				System.out.print(arr[i][j] + " ");
			}
			System.out.println();
		}
		System.out.println("-----");
	}
 
	void printMat(long arr[]) {
		for (int i = 0; i < arr.length; i++) {
			System.out.print(arr[i] + " ");
		}
		System.out.println();
		System.out.println("-----");
	}
 
	long[][] matMul(int n, long arr[][], long y) {
		long iden[][] = new long[n][n];
		for (int i = 0; i < n; i++)
			iden[i][i] = 1;
		// printMat(iden);
		while (y > 0) {
			if (y % 2 == 1) {
				iden = mul(n, iden, arr);
				// printMat(iden);
				y--;
			} else {
				arr = mul(n, arr, arr);
				// printMat(arr);
				y /= 2;
			}
		}
		return iden;
	}
 
	long[][] mul(int n, long a1[][], long a2[][]) {
		long temp[][] = new long[n][n];
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < n; j++) {
				long sum = 0;
				for (int k = 0; k < n; k++) {
					sum = (sum + a1[i][k] * a2[k][j]) % MOD;
				}
				temp[i][j] = sum;
			}
		}
		return temp;
	}
 
	void seive(int n) {
		b = new boolean[n + 1];
		prime = new int[n + 1];
		for (int i = 2; i * i <= n; i++) {
			if (!b[i]) {
				for (int j = 2 * i; j <= n; j += i) {
					if (!b[j]) {
						b[j] = true;
						prime[j] = i;
					}
				}
			}
		}
	}
 
	int binarySearch1(int arr[], int x) {
		int ans = -1;
		int low = 0, high = arr.length - 1;
		while (high >= low) {
			int mid = (low + high) / 2;
			if (arr[mid] >= x) {
				ans = mid;
				high = mid - 1;
			} else
				low = mid + 1;
		}
		return ans;
	}
 
	int binarySearch2(Integer arr[], int x) {
		int ans = -1;
		int low = 0, high = arr.length - 1;
		while (high >= low) {
			int mid = (low + high) / 2;
			if (arr[mid] >= x) {
				ans = mid;
				low = mid + 1;
			} else
				high = mid - 1;
		}
		return ans + 1;
	}
 
	int cntEven(String str) {
		int cnt = 0;
		for (int i = str.length() - 1; i >= 0; i--) {
			if ((str.charAt(i) - '0') % 2 == 0) {
				cnt++;
			}
		}
		return cnt;
	}
 
	int max = 0;
 
	int getParent(int x) {
		// System.out.println(x+" "+parent[x]);
		if (parent[x] != x) {
			parent[x] = getParent(parent[x]);
		}
		return parent[x];
	}
 
	class Pair implements Comparable<Pair> {
		int u;
		int v, r, i;
 
		Pair(int u, int v, int r, int i) {
			this.u = u;
			this.v = v;
			this.r = r;
			this.i = i;
		}
 
		Pair(int u, int v, int r) {
			this.u = u;
			this.v = v;
			this.r = r;
		}
 
		Pair(int u, int v) {
			this.u = u;
			this.v = v;
		}
 
		public int hashCode() {
			return Objects.hash();
		}
 
		public boolean equals(Object o) {
			Pair other = (Pair) o;
			return ((u == other.u && v == other.v));// || (v == other.u && u ==
			// other.v));
		}
 
		public int compareTo(Pair other) {
			//return Long.compare(r, other.r);
			 return Long.compare(u, other.u) != 0 ? (Long.compare(u, other.u))
			 : (Long.compare(v, other.v));
			// :(Long.compare(other.r, r))) ;
		}
 
	}
 
	int min(int x, int y) {
		if (x < y)
			return x;
		return y;
	}
 
	int max(int x, int y) {
		if (x > y)
			return x;
		return y;
	}
 
 
	long modInverse(long a, long mOD2) {
		return power(a, mOD2 - 2, mOD2);
	}
 
	long power(long x, long y, long m) {
		if (y == 0)
			return 1;
		long p = power(x, y / 2, m) % m;
		p = (p * p) % m;
 
		return (y % 2 == 0) ? p : (x * p) % m;
	}
 
	boolean isPrime(int x) {
		for (int i = 2; i * 1L * i <= x; i++)
			if (x % i == 0)
				return false;
		return true;
	}
 
	public long gcd(long a, long b) {
		if (b == 0)
			return a;
		return gcd(b, a % b);
	}
 
	void failFn(String str, int arr[]) {
		int len = 0;
		arr[0] = 0;
		int i = 1;
		while (i < arr.length) {
			if (str.charAt(i) == str.charAt(len)) {
				arr[i++] = ++len;
				continue;
			}
			if (len == 0) {
				arr[i] = len;
				i++;
				continue;
			}
			if (str.charAt(i) != str.charAt(len)) {
				len = arr[len - 1];
			}
		}
	}
 
	static class ST1 {
		int arr[], st[], size;
 
		ST1(int a[]) {
			arr = a.clone();
			size = 10 * arr.length;
			st = new int[size];
			build(0, arr.length - 1, 1);
		}
 
		void build(int ss, int se, int si) {
			if (ss == se) {
				st[si] = arr[ss];
				return;
			}
			int mid = (ss + se) / 2;
			int val = 2 * si;
			build(ss, mid, val);
			build(mid + 1, se, val + 1);
			st[si] = (st[val] + st[val + 1]);
		}
 
		int get(int ss, int se, int l, int r, int si) {
			if (l > se || r < ss || l > r)
				return Integer.MAX_VALUE;
			if (l <= ss && r >= se)
				return st[si];
			int mid = (ss + se) / 2;
			int val = 2 * si;
			return (get(ss, mid, l, r, val) + get(mid + 1, se, l, r, val + 1));
		}
	}
 
	static class ST {
		int arr[], lazy[], n;
 
		ST(int a) {
			n = a;
			arr = new int[10 * n];
			lazy = new int[10 * n];
		}
 
		void up(int l, int r, int val) {
			update(0, n - 1, 0, l, r, val);
		}
 
		void update(int l, int r, int c, int x, int y, int val) {
			if (lazy[c] != 0) {
				lazy[2 * c + 1] ^= lazy[c];
				lazy[2 * c + 2] ^= lazy[c];
				if (l == r)
					arr[c] ^= lazy[c];
				lazy[c] = 0;
			}
			if (l > r || x > y || l > y || x > r)
				return;
			if (x <= l && y >= r) {
				if ((r - l + 1) % 2 == 1)
					lazy[c] ^= val;
				return;
			}
			int mid = l + r >> 1;
		update(l, mid, 2 * c + 1, x, y, val);
		update(mid + 1, r, 2 * c + 2, x, y, val);
		arr[c] = (arr[2 * c + 1] + arr[2 * c + 2]);
		}
 
		int an(int ind) {
			return ans(0, n - 1, 0, ind);
		}
 
		int ans(int l, int r, int c, int ind) {
			if (lazy[c] != 0) {
				lazy[2 * c + 1] += lazy[c];
				lazy[2 * c + 2] += lazy[c];
				if (l == r)
					arr[c] += lazy[c];
				lazy[c] = 0;
			}
			if (l == r)
				return arr[c];
			int mid = l + r >> 1;
		if (mid >= ind)
			return ans(l, mid, 2 * c + 1, ind);
		return ans(mid + 1, r, 2 * c + 2, ind);
		}
	}
	static long[] array;
	public static class FenwickTree {
 
		 // 1-indexed array, In this array We save cumulative
		// information to perform efficient range queries and
		// updates
 
		public FenwickTree(int size) {
			array = new long[size + 1];
		}
		int getSum(int index)
		{
			int sum = 0; // Iniialize result
 
			// index in BITree[] is 1 more than the index in arr[]
			index = index + 1;
 
			// Traverse ancestors of BITree[index]
			while (index>0)
			{
				// Add current element of BITree to sum
				sum ^= array[index];
 
				// Move index to parent node in getSum View
				index -= index & (-index);
			}
			return sum;
		}
		public long rsq(int ind) {
			assert ind > 0;
			long sum = 0;
			ind = ind+1;
			while (ind > 0) {
				sum ^= array[ind];
				// Extracting the portion up to the first significant one of the
				// binary representation of 'ind' and decrementing ind by that
				// number
				ind -= ind & (-ind);
			}
			return sum;
		}
 
		public long rsq(int a, int b) {
			assert b >= a && a > 0 && b > 0;
			return rsq(b) ^ rsq(a - 1);
		}
 
		public void update(int ind, long value) {
			assert ind > 0;
			ind = ind+1;
			while (ind < array.length) {
				array[ind] ^= value;
				// Extracting the portion up to the first significant one of the
				// binary representation of 'ind' and incrementing ind by that
				// number
				ind += ind & (-ind);
			}
		}
 
		public int size() {
			return array.length - 1;
		}
	}
 
	public static int[] shuffle(int[] a, Random gen) {
		for (int i = 0, n = a.length; i < n; i++) {
			int ind = gen.nextInt(n - i) + i;
			int d = a[i];
			a[i] = a[ind];
			a[ind] = d;
		}
		return a;
	}
 
	long power(long x, long y, int mod) {
		long ans = 1;
		while (y > 0) {
			if (y % 2 == 0) {
				x = (x * x) % mod;
				y /= 2;
			} else {
				ans = (x * ans) % mod;
				y--;
			}
		}
		return ans;
	}
 
	void soln() {
		is = System.in;
		out = new PrintWriter(System.out);
		long s = System.currentTimeMillis();
		solve();
		out.close();
		out.flush();
		tr(System.currentTimeMillis() - s + "ms");
	}
 
	// To Get Input
	// Some Buffer Methods
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
 
	private int readByte() {
		if (lenbuf == -1)
			throw new InputMismatchException();
		if (ptrbuf >= lenbuf) {
			ptrbuf = 0;
			try {
				lenbuf = is.read(inbuf);
			} catch (IOException e) {
				throw new InputMismatchException();
			}
			if (lenbuf <= 0)
				return -1;
		}
		return inbuf[ptrbuf++];
	}
 
	private boolean isSpaceChar(int c) {
		return !(c >= 33 && c <= 126);
	}
 
	private int skip() {
		int b;
		while ((b = readByte()) != -1 && isSpaceChar(b))
			;
		return b;
	}
 
	private double nd() {
		return Double.parseDouble(ns());
	}
 
	private char nc() {
		return (char) skip();
	}
 
	private String ns() {
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while (!(isSpaceChar(b))) { // when nextLine, (isSpaceChar(b) && b != '
			// ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
 
	private char[] ns(int n) {
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while (p < n && !(isSpaceChar(b))) {
			buf[p++] = (char) b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
 
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for (int i = 0; i < n; i++)
			map[i] = ns(m);
		return map;
	}
 
	private int[] na(int n) {
		int[] a = new int[n];
		for (int i = 0; i < n; i++)
			a[i] = ni();
		return a;
	}
 
	private int ni() {
		int num = 0, b;
		boolean minus = false;
		while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'))
			;
		if (b == '-') {
			minus = true;
			b = readByte();
		}
 
		while (true) {
			if (b >= '0' && b <= '9') {
				num = num * 10 + (b - '0');
			} else {
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
 
	private long nl() {
		long num = 0;
		int b;
		boolean minus = false;
		while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'))
			;
		if (b == '-') {
			minus = true;
			b = readByte();
		}
 
		while (true) {
			if (b >= '0' && b <= '9') {
				num = num * 10 + (b - '0');
			} else {
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
 
	private boolean oj = System.getProperty("ONLINE_JUDGE") != null;
 
	private void tr(Object... o) {
		if (!oj)
			System.out.println(Arrays.deepToString(o));
	}
}  