#include <iostream>
#include<cstdio>
using namespace std;

int main()
{
    int num1,num2;
    scanf("%d%d",&num1,&num2);
    if(num1>0)
        printf("Positive\n");
    else if(num1<=0&&num2>=0)
        printf("Zero\n");
    else
    {
        if((-num1+num2)%2==0)
            printf("Negative\n");
        else
            printf("Positive\n");
    }
    return 0;
}
