#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n , m;
	cin>>n>>m;
	if(n <= 0 && m >= 0)
	{
		cout<<"Zero";
		return 0;
	}
	if(n > 0 &&m > 0 || (abs(n - m) + 1) % 2  == 0)
	{
		cout<<"Positive";
	}else
	{
		cout<<"Negative";
	}
}