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