def f(S):
  temp=[]
  cnt=0
  for c in S[::-1]:
    if c=='0':
      cnt+=1
    else:
      temp.append(cnt)
      cnt=0
  ans=[]
  for n in temp[::-1]:
    while len(ans) and ans[-1]<n:
      ans.pop()
    ans.append(n)
  return ans

def check(A,B):
  # return A<B
  AA=f(A)
  BB=f(B)
  for aa,bb in zip(AA,BB):
    if aa!=bb:
      a=bin(aa)[2:]
      b=bin(bb)[2:]
      return check(a,b)
  return len(AA)<len(BB)


N=input()
M=input()
print("Yes" if check(N,M) else "No")