#define _CRT_SECURE_NO_WARNINGS
#define _CRT_NONSTDC_NO_DEPRECATE
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <stdbool.h>
#include <limits.h>
#include <time.h>
#include <stddef.h>
#include <float.h>

#define N 10000000
#define PI 3.14

int main()
{
    long a, b, sum = 1, tmp = 0;

    scanf("%ld%ld", &a, &b);

    while (a + tmp <= b)
    {
        sum *= (a + tmp);
        tmp += 1;
    }

    if (sum < 0)
    {
        printf("Negative");

        return 0;
    }

    if (sum == 0)
    {
        printf("Zero");

        return 0;
    }

    if (sum > 0)
    {
        printf("Positive");

        return 0;
    }
}