#include<stdio.h>
#include<stdlib.h>


int main(void){
	long long int a,b;
	long long int stack[100000][2];
	int stacktop=1;

	scanf("%lld %lld",&a,&b);
	stack[0][0]=a;
	stack[0][1]=b;
	while(stacktop>0){
		stacktop--;
		a=stack[stacktop][0];
		b=stack[stacktop][1];
		if(a==0||b==0){
			printf("Yes\n");
			return 0;
		}
		if(a%2==0&&b>0){
			stack[stacktop][0]=a/2;
			stack[stacktop][1]=b-1;
			stacktop++;
		}
		if(b%2==0&&a>0){
			stack[stacktop][0]=b/2;
			stack[stacktop][1]=a-1;
			stacktop++;
		}
	}
	printf("No\n");

	return 0;
}