#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a = 0 , b = 0 , c = 0,sum = 0;
	cin>>a>>b;
	if(a >= 0 && b >= 0)
	{
		cout<<"Positive"<<endl;
	}
	if(a <= 0 && b >= 0)
	{
		cout<<"Zero"<<endl;
	}
	if(a < 0 && b < 0)
	{
		for(int i = a ; i <= b ; i++)
		{
			sum++;
		}
		if(sum % 2 == 0)
		{
			cout<<"Positive"<<endl;
		}
		else
		{
			cout<<"Negative"<<endl;
		}
	}
	return 0;
} 