#include <iostream>
#include <cmath>
#include <string>
#include <algorithm>
#include <cstdio>
using namespace std;
int main()
{
	int a,b,c,q=0;
	int x[20];
	int s=1;
	cin>>a>>b;
	if(a<=0&&b>=0)
	cout<<"Zero"<<endl;
	if(a>0&&b>0)
	cout<<"Positive"<<endl;
	if(a<0&&b<0)
	{
		for(int i=a;i<=b;i++)
		{
			if(i<=b) q++;
		}
		if(q%2==0)
		cout<<"Positive"<<endl;
		 else cout<<"Negative"<<endl;
		
	}
	return 0;
}