# https://yukicoder.me/submissions/256892

def ascan; gets.split.map(&:to_i);end

A,B = ascan

# 計算時間解析用
#@h = []

def check(a,b)
    return true if a == 0 || b == 0
    return false if a < 0 || b < 0
    #@h << [a,b]
    ok = false
    ok ||= true if a > 0 && a.even? && check(a/2,b-1)
    ok ||= true if b > 0 && b.even? && check(a-1,b/2)
    return ok
end

puts check(A,B) ? "Yes" : "No"

#STDERR.puts @h.size
#STDERR.puts @h.map{|e|e*","}