#include<bits/stdc++.h>
using namespace std;
int x;
bool grm(int k)
{
	if(x<k)
		return false;
	if(x==k)
		return true;
	return grm(3*k+1)||grm(2*k+1);
}
int main()
{
	int k;
	cin>>k>>x;
	if(grm(k))
		cout<<"YES";
	else 
		cout<<"NO";
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
set<int>a;
set<int>::iterator it;
int n,x;
void mkbk(int n){
	if(n<=100000){
		a.insert(n);
		mkbk(2*n+1);
		mkbk(3*n+1);
	}
}
int main(){
	scanf("%d%d",&n,&x);
	mkbk(n);
	it=a.find(x);
	if(it!=a.end()) printf("YES");
	else printf("NO");
	return 0; 
}