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


ll a, b;

void f(ll x, ll y) {
    
    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;
}