#include<cstdio>
int main()
{
    long long a,b;
    while(~scanf("%lld %lld",&a,&b))
    {
      long long t;
      if(a>b)
      {
          t=a;
          a=b;
          b=t;
      }
      long long sum=1;
      for(long long i=a;i<=b;i++)
      {
          sum=sum*i;
      }
      if(sum==0)
      {
        printf("Zero\n");
      for(long long` i=a;i<=b;i++)
        {
            if(i!=b)
            {
            if(i<0)
            printf("(%lld)",i);
            else
                printf("%lld",i);
            printf("x");
            }
            else
            {
                if(i<0)
            printf("(%lld)",i);
            else printf("%lld",i);
            printf("=%lld.\n",sum);
            }
        }
      }

      if(sum<0)
         {
        printf("Negative\n");
      for(long long i=a;i<=b;i++)
        {
            if(i!=b)
            {
            if(i<0)
            printf("(%lld)",i);
            else
                printf("%lld",i);
            printf("x");
            }
            else
            {
                if(i<0)
            printf("(%lld)",i);
            else printf("%lld",i);
            printf("=%lld is negative.\n",sum);
            }
        }
      }
      if(sum>0)
        {
        printf("Positive\n");
      for(long long i=a;i<=b;i++)
        {
            if(i!=b)
            {
            if(i<0)
            printf("(%lld)",i);
            else
                printf("%lld",i);
            printf("x");
            }
            else
            {
                if(i<0)
            printf("(%lld)",i);
            else printf("%lld",i);
            printf("=%lld is positive.\n",sum);
            }
        }
      }
    }
    return 0;
}
