90求助

#include<bits/stdc++.h>
using namespace std;

int main()
{
	long long a,b,mul=1;
	cin>>a>>b;
	if(b==0)
	{
		cout<<"NO\nYES"<<endl;
		return 0;
	}
	for(int i=1;i<=b;i++)
		mul*=a;
	if(a<0) cout<<"YES"<<endl;
	else cout<<"NO"<<endl;
	if(a%2!=0) cout<<"YES"<<endl;
	else cout<<"NO"<<endl;
	return 0;
}