using System; using System.Collections.Generic; using System.Linq; using System.IO; //using System.Text; //using System.Text.RegularExpressions; //using System.Globalization; //using System.Diagnostics; using static System.Console; //using System.Numerics; //using static System.Math; //using pair = Pair; class Program { static void Main() { //SetOut(new StreamWriter(OpenStandardOutput()) { AutoFlush = false }); new Program().solve(); Out.Flush(); } Scanner cin = new Scanner(); readonly int[] dd = { 0, 1, 0, -1, 0 }; //→↓←↑ readonly int mod = 1000000007; void chmax(ref T a, T b) where T : IComparable { a = a.CompareTo(b) < 0 ? b : a; } void chmin(ref T a, T b) where T : IComparable { a = a.CompareTo(b) < 0 ? a : b; } void solve() { var A = cin.nextlong; var B = cin.nextlong; dfs(A, B); WriteLine(ans ? "Yes" : "No"); } bool ans = false; void dfs(long X, long Y) { if (X == 0 || Y == 0) { if(X == 0 && Y == 0)ans = true; return; } if (X % 2 == 0) { dfs(X / 2, Y - 1); } if (Y % 2 == 0) { dfs(X - 1, Y / 2); } } } class Scanner { string[] s; int i; char[] cs = new char[] { ' ' }; public Scanner() { s = new string[0]; i = 0; } public string[] scan { get { return ReadLine().Split(); } } public int[] scanint { get { return Array.ConvertAll(scan, int.Parse); } } public long[] scanlong { get { return Array.ConvertAll(scan, long.Parse); } } public double[] scandouble { get { return Array.ConvertAll(scan, double.Parse); } } public string next { get { if (i < s.Length) return s[i++]; string st = ReadLine(); while (st == "") st = ReadLine(); s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); i = 0; return next; } } public int nextint { get { return int.Parse(next); } } public long nextlong { get { return long.Parse(next); } } public double nextdouble { get { return double.Parse(next); } } }