#include <bits/stdc++.h>
using namespace std;
typedef  long long int ll;


ll a, b;

void f(ll x, ll y) {
    
    queue<pair<int, int> > q;
    q.push(make_pair(x, y));
    
    while (!q.empty()) {
        
        ll xx = q.front().first;
        ll yy = q.front().second;
        q.pop();
        
        if (xx == a and yy == b) {
            cout << "Yes\n";
            exit(0);
        }
        if (2*xx <= a and yy+1 <= b)
            q.push(make_pair(2*xx, yy+1));
        
        if (xx+1 <= a and 2*yy <= b)
            q.push(make_pair(xx+1, 2*yy));
    }
    
    /*
        cout << x << ":" << y << endl;
        if (x > a || y > b)
            return;

     
        if (x == a && y == b) {
            cout << "Yes\n";
            exit(0);
            return;
        }
        f(2*x, y+1);
     
        f(x+1, 2*y);
    */
    
    
    
}


int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    cin >> a >> b;
    
    f(0, 0);
    cout << "No";
    
    
  return 0;
}