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