#include <cstdio>
using namespace std;
int main()
{
    long long a,b;
    while(~scanf("%lld %lld",&a,&b))
    {
        if(a==0||b==0)
        {
        printf("Zero\n");
    continue;
        }
         if(a<0&&b<0)
        {
        printf("Positive\n");
    continue;
        }
          if(a>0&&b>0)
        {
        printf("Positive\n");
    continue;
        }
          if(a<0&&b>0)
        {
        printf("Negative\n");
    continue;
        }
        if(a>0&&b<0)
        {
        printf("Negative\n");
    continue;
        }
}
return 0;
}
