#include <iostream>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
int main ()
{
	long long a,b,c;
	cin>>a>>b;
	c=b-a+1;
	if(a<b)
	{
			if(a>0&&b>0)
	{
		cout<<"Positive"<<endl;
	}
	else if(a<=0&&b>0)
	{
		cout<<"Zero"<<endl;
	}
	else if(a<0&&b<=0)
	{
		if(b==0)
		{
			cout<<"Zero"<<endl;
		}
		else
		{
			if(c%2==0)
			{
				cout<<"Positive"<<endl;
			}
			else
			{
				cout<<"Negative"<<endl;
			}
		}
	}
	}
	else
	{
		return 0;
	}

	return 0;
} 