import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int k = sc.nextInt();
        int[] dp = new int[n + 1];
        Arrays.fill(dp, Integer.MAX_VALUE);
        dp[n] = 0;
        for (int i = n; i > 1; i--) {
            if (dp[i] == Integer.MAX_VALUE) {
                continue;
            }
            if (i % 2 == 0) {
                dp[i / 2] = Math.min(dp[i / 2], dp[i] + 1);
            }
            if (i > 3) {
                dp[i - 3] = Math.min(dp[i - 3], dp[i] + 1);
            }
        }
        if (dp[1] <= k) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public String next() throws Exception {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}