#include <iostream>
#include <cmath>
#include <string>
#include <algorithm>
#include <cstdio>
using namespace std;
int main()
{
	int a,b,c;
	int x[20];
	int s=1;
	cin>>a>>b;
	if(a<=0&&b>=0)
	cout<<"Zero"<<endl;
	if(a>0&&b>0)
	cout<<"Positive"<<endl;
	if(a<0&&b<0)
	cout<<"Negative"<<endl;
	return 0;
	
}