#include<stdio.h>
int main()
{
    long a,b;
    scanf("%lld %lld",&a,&b);
    if(a<=0)
    {
        if(b>=0)printf("Zero");
        else if(b<0)
        {
            if((b-a)%2==0)printf("Negative");
            else printf("Positive");
        }
    }
    else printf("Positive");
    return 0;
}
