#include<bits/stdc++.h>
using namespace std;
long long a,b;
int main(){
	scanf("%lld%lld",&b,&a);
	b=pow(b,a);
	if(b<0){ 
		printf("YES\n");
		if(b%2==0) printf("NO");
		else printf("YES");
	}
	else{
		printf("NO\n");
		if(b%2==0) printf("NO");
		else printf("YES");
	}
	return 0;
}