N,K=map(int,input().split())
DP=[K+1]*(N*2+10)
DP[1]=0
for i in range(1,N+1):
  DP[i+3]=min(DP[i+3],DP[i]+1)
  DP[i*2]=min(DP[i*2],DP[i]+1)
if DP[N]<=K:
  print('YES')
else:
  print('NO')