inf = 10**18
N, K = map(int, input().split())

dp = [inf] * (N + 1)
dp[1] = 0
for i in range(3, N + 1):
    dp[i] = min(dp[i], dp[i - 3])
    if i % 2 == 0:
        dp[i] = min(dp[i], dp[i//2])

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