a, b = read_line.split.map &.to_i64
hash = Hash(Tuple(Int64, Int64), Bool).new { |hash, key|
  n, m = key
  if n < 0 || m < 0
    hash[key] = false
  elsif n == 0 && m == 0
    hash[key] = true
  elsif n % 2 == 1 && m % 2 == 1
    hash[key] = false
  elsif n % 2 == 0 && m % 2 == 1
    hash[key] = hash[{n // 2, m - 1}]
  elsif n % 2 == 1 && m % 2 == 0
    hash[key] = hash[{n - 1, m // 2}]
  else
    hash[key] = hash[{n - 1, m // 2}] || hash[{n // 2, m - 1}]
  end
}
puts hash[{a, b}] ? "Yes" : "No"