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