import sys
from sys import stdin
import math

N,K = map(int,input().split())

dp = [float("inf")] * (N+1)
dp[1] = 0

for i in range(1,N):

    if 2*i <= N:
        dp[2*i] = min(dp[2*i] , dp[i]+1)
    if i+3 <= N:
        dp[i+3] = min(dp[i+3] , dp[i]+1)

if dp[N] <= K:
    print ("YES")
else:
    print ("NO")