#include<bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MAXN = 100 * 1000 + 10;

int main()
{
    int x,y;
    cin>>x>>y;
    if(x<=0 && y>=0){
        return cout<<"Zero",0;
    }
    if(x>0 && y>0){
        return cout<<"Positive",0;
    }
    if(x<0 && y<0){
        if((-1*y)-(-1*x)%2==0){
            return cout<<"Negative",0;
        }
        else{
            return cout<<"Positive",0;
        }
    }
}
